89 results found for environment

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01:00:00

From Waste to Wealth Using Green Chemistry

by James Clark
From Waste to Wealth Using Green Chemistry
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 2306 views
Rating:

The world faces the fundamental problems of increasing waste and decreasing resources as it tries to cope with the increasing consumption of a growing population.  It is clear that these challenges can only be met through a fundamentally different a....

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00:42:00

People, Pollution and Plumbing

by Liz Sharp
People, Pollution and Plumbing
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1468 views
Rating:

Science for the new water management: people, pollution and plumbing

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00:01:00

A Greenhouse-Gas Experiment

by Jonathan Hare
A Greenhouse-Gas Experiment
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1899 views
Rating:

A laboratory demonstration of Carbon Dioxide's effect of global warming.

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01:23:00

A medicine cabinet in your garden?

by Monique Simmonds
A medicine cabinet in your garden?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1984 views
Rating:

Professor Monique Simmonds talks about the use of plants and fungi as sources of sustainably harvested medicines

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00:07:00

A nano-sized gas sensor 6

by Marc Delgado
A nano-sized gas sensor 6
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 2230 views
Rating:

Sensotran are the industrial partner in the nano2hybrids project. A small family firm based just outside Barcelona in Spain, they are experts in commercial production of gas sensors for a range of industries, notably for detecting dangerous gases pro....

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00:59:00

Africa’s future: do water issues matter?

by Robert Dewar
Africa’s future: do water issues matter?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1438 views
Rating:

What will happen in Africa as water demand increases? Robert Dewar is the recently retired UK High Commissioner to Nigeria and former Ambassador to Ethiopia. Robert drew on his considerable experience of working and living in ....

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00:10:00

Ancient tsunamis

by Brian McAdoo
Ancient tsunamis
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1745 views
Rating:

The 2004 Indian Ocean tsunami was not the first of its kind, according to research in Nature. Two groups of scientists have found sedimentary evidence for possible predecessors to the 2004 event in...

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00:05:00

Anti-Body Coated Magnetic Nanoparticles

by Philip Schlenoff
Anti-Body Coated Magnetic Nanoparticles
for 18-22 and upwards,
Lectures | 18-22 and upwards | 13 years ago | 2102 views
Rating:

Philip Shlenoff, recent high school graduate, gives a presentation of his work and opportunity at the Florida State University Dept. of Chemistry. Under the supervision of Zaki Estephan, Philip has actively participated in research that targets canc....

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01:30:00

Behaving badly

by Uta Frith
Behaving badly
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1526 views
Rating:

Are environment, or genetics, more to blame when a human being turns to a life of crime? What does it mean to be criminally insane? And how effectively can a criminal tendency be treated with drugs? What different lights can literature and science sh....

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00:31:00

Biological Evolution in the Context of Cosmic Evolution and of Cultural Evolution

by Werner Arber
Biological Evolution in the Context of Cosmic Evolution and of Cultural Evolution
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1589 views
Rating:

After reconsidering the very long time periods in cosmic evolution, we will focus our attention to the evolutionary development of living organisms on our planet Earth. The genetic variants (mutations), which are occasionally produced, are alteratio....

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00:03:00

Bugs and trash

by Various Presenters
Bugs and trash
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 2091 views
Rating:

Using microorganisms to clear pollution.

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00:28:00

C60+ in space – a 28-year detective story about the Diffuse Interstellar Bands – Part 1

by John Maier
C60+ in space – a 28-year detective story about the Diffuse Interstellar Bands – Part 1
for 14-19 and upwards,
Lectures | 14-19 and upwards | 8 years ago | 5773 views
Rating:

John Maier, Professor of Physical Chemistry at the University of Basel, describes the journey from the prediction of C60+ in 1987, through tentative assignment of its electronic spectrum by Radioastronomy, measurement in a neon-matrix and finally, in....

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00:28:00

Canoeing in the Arctic, a Scientist’s Perspective

by Peter Agre
Canoeing in the Arctic, a Scientist’s Perspective
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1587 views
Rating:

As scientists, our livelihoods are supported by teaching and research, but we also have the opportunity to make observations beyond our usual confines and share these with non-scientific citizens. Growing up in my native state of Minnesota, I have al....

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00:30:00

Catalysis at Surfaces: From Atoms to Complexity

by Gerhard Ertl
Catalysis at Surfaces: From Atoms to Complexity
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1436 views
Rating:

Catalysis by solid surfaces is, among others, of importance for the chemical industry (e.g. the Haber-Bosch process) as well as for environmental chemistry (car exhaust catalyst).  Surface physical techniques enable investigation of the underlying e....

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01:00:00

Chemistry: A Key to Human Progress

by Bassam Shakhashiri
Chemistry: A Key to Human Progress
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 2109 views
Rating:

Basic research in science has greatly increased our understanding of nature, expanded frontiers of inquiry, shown us how little we know, triggered creative waves of invention and innovation, and prompted technological breakthroughs that were inconcei....

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00:31:00

Chemistry: the Key to Our Future

by Ryoji Noyori
Chemistry: the Key to Our Future
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1386 views
Rating:

Chemistry is not merely a science of making observations in order to better understand Nature. Our science is creative and productive, generating substances of very high value from almost nothing. Chemists already have made enormous contribution to....

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01:07:00

Climate change and extinction

by Richard Leakey
Climate change and extinction
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1748 views
Rating:

Today countless protected areas for biodiversity are maintained at huge public and private expense. The question we must consider is whether our protection strategies actually protect when the real threats are related to the current climate change. M....

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01:05:00

Climate change on the living Earth

by James Lovelock
Climate change on the living Earth
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1714 views
Rating:

Observations from around the Earth suggest that even the gloomiest predictions of climate change from the 2007 IPCC report may underestimate the seriousness of the changes due this century. In this lecture, Professor James Lovelock discusses the cons....

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00:04:00

Climate change: Bhutan

by Anjali Nayar
Climate change: Bhutan
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1723 views
Rating:

Nature reporter Anjali Nayar hiked for 21 days in Northern Bhutan to find out how this tiny Himalayan nation is dealing with rapidly melting glaciers.

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00:47:00

Climate change: space and our own planet.

by Maggie Aderin
Climate change: space and our own planet.
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1691 views
Rating:

Dr Maggie Aderin develops instruments that monitor climate change. Find out about these and other missions that are making science count in the battle against climate change. With practical experiments to show how climate change works Maggie shows ho....

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00:22:00

Climate change: The two-degree target

by Olive Hefferman
Climate change: The two-degree target
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 2667 views
Rating:

In December 2009, policy makers meet in Copenhagen, Denmark to thrash out a new global deal on climate change. The aim is to limit global warming to two degrees Celsius above pre-industrial temperatures. We sent three young climate researchers along ....

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00:41:00

Climbing the Everest Beyond the Everest

by Ada Yonath
Climbing the Everest Beyond the Everest
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1724 views
Rating:

The challenges associated with pursuing ribosomal crystallography can be described as a series of Everest climbing. At each step, when reaching the summit, a taller and more difficult one became exposed. Snapshots of this story will be described.__....

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01:05:00

Continental loss: the quest to determine Antarctica’s contribution to sea-level change

by Matt King
Continental loss: the quest to determine Antarctica’s contribution to sea-level change
for 14-19 and upwards,
Lectures | 14-19 and upwards | 8 years ago | 1561 views
Rating:

For over 50 years scientists have been working to understand Antarctica’s contribution to sea level. For much of this time there has even been disagreement about if this massive ice sheet is growing or shrinking. In 2012, advances in data analysis....

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00:31:00

Controlling Photons in a Box and Exploring the Quantum to Classical Boundary

by Serge Haroche
Controlling Photons in a Box and Exploring the Quantum to Classical Boundary
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1715 views
Rating:

The founders of quantum theory assumed in 'thought experiments' that they were manipulating isolated quantum systems, obeying the counterintuitive laws which they had just discovered.  Technological advances have recently turned these virtual experi....

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00:29:00

Coprolite Chemistry – what fossilised faeces can tell us about extinct animals

by Fiona Gill
Coprolite Chemistry – what fossilised faeces can tell us about extinct animals
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 2690 views
Rating:

Faeces contains a complex mixture of chemical compounds, including substances from the diet and digestive processes. By better understanding the biology of extinct animals we can gain insights into how they interacted with their environment and poten....

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00:05:00

Critical Zone

by Steve Banwart
Critical Zone
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1596 views
Rating:

Professor Banwart talks about the crucial challenge for the SoilTrEC project is to understand the rates of processes that dictate soil mass stocks and their function within Earths Critical Zone (CZ)

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00:38:00

Cultural Values of Scientific Knowledge

by Werner Arber
Cultural Values of Scientific Knowledge
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1456 views
Rating:

The acquisition of scientific knowledge largely depends on the availability of appropriate research approaches and methodologies.  Novel scientific knowledge represents cultural values.  On the one hand, it enriches our world-view with impacts on o....

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00:32:00

Cultural Values of Scientific Knowledge

by Werner Arber
Cultural Values of Scientific Knowledge
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 2868 views
Rating:

The acquisition of scientific knowledge largely depends on the availability of appropriate research approaches and methodologies. Novel scientific knowledge represents cultural values. On the one hand, it enriches our world-view with impacts on our....

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00:02:00

David Attenborough on birds of paradise – Part 2

by David Attenborough
David Attenborough on birds of paradise – Part 2
for All ages,
Interviews | All ages | 14 years ago | 12025 views
Rating:

British broadcaster Sir David Attenborough talks to Nature about his obsession with birds of paradise.

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01:12:00

Deciphering disease: cells and disruption of their communication

by Dario Alessi
Deciphering disease: cells and disruption of their communication
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1398 views
Rating:

The human body may seem to be no more than a bundle of tissues and organs, yet the cells these are made from are capable of interacting, communicating and performing complex tasks. Our cells' capacity to interact in this way enables humans to adapt t....

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00:22:00

Direct Visualisation of Soil Processes

by Menoj Manon
Direct Visualisation of Soil Processes
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1811 views
Rating:

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00:20:00

Emotions and expertise in environmental policy work

by Guillaumette Haughton
Emotions and expertise in environmental policy work
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1200 views
Rating:

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00:29:00

Endless Energy

by Various Presenters
Endless Energy
for 14-19 and upwards,
Discussions | 14-19 and upwards | 15 years ago | 1932 views
Rating:

How green are you prepared to be? Burning fossil fuel is choking our planet with carbon dioxide, but would you stop using petrol or allow wind farms to be built in your back yard? Is it finally time for renewable energy to stop being the alternative ....

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00:14:00

Entomologist

by Rob Hutchinson
Entomologist
for 14-19 and upwards,
Careers | 14-19 and upwards | 15 years ago | 11467 views
Rating:

Rob Hutchinson is an entomologist and one of the top mosquito experts in Europe whose work assesses the risk of Malaria returning to UK. He has developed a great interest in mosquito biology and did a masters degree at the School of Tropical Medicine....

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00:14:00

Environmental Scientist & Space Forester

by Yavinder Malhi
Environmental Scientist & Space Forester
for 11-14 and upwards,
Lectures | 11-14 and upwards | 15 years ago | 4137 views
Rating:

Yadvinder works in the Geography department at Oxford University. He looks at how human activity and especially carbon dioxide emissions have changed the ecosystems of tropical rainforests. This work takes him on regular trips to his two research sit....

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00:50:00

Epigenetics, Diet and Cancer Prevention

by Roderick Dashwood
Epigenetics, Diet and Cancer Prevention
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 1445 views
Rating:

How genes can be switched on and off by environmental effects and how this affects the development of cancers.

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00:26:00

Every clod has a silver lining

by Jonathon Bridge
Every clod has a silver lining
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1340 views
Rating:

The environmental science of nanosilver

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00:10:00

Feasibility of Zero-Energy Housing in Florida

by Ryan Aughtry
Feasibility of Zero-Energy Housing in Florida
for 18-22 and upwards,
Undergraduate presentations | 18-22 and upwards | 13 years ago | 1762 views
Rating:

This presentation is a brief overview of the possible ways to achieve a zero net energy consumption for a typical Florida house. Examples include photo-voltaics and wind-turbines. An emphasis on the economic aspects of being "off-the-grid".

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00:09:00

Finding out where floods will occur

by Jacqueline Diaz-Nieto
Finding out where floods will occur
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1857 views
Rating:

This research is about developing a computer modelling tool to help manage surface water flooding.

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00:29:00

From Proto-oncogenes to Precision Oncology

by Harold Varmus
From Proto-oncogenes to Precision Oncology
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1814 views
Rating:

The diagnosis, classification, and treatment of human cancers are being transformed by scientific discoveries that were strongly influenced by the discovery of the c-src proto-oncogene, as described in the lecture by Michael Bishop. The path to this ....

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01:20:00

From sled dogs to rockets. Up the poles.

by Paul Rose
From sled dogs to rockets. Up the poles.
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1532 views
Rating:

As part of the celebrations for International Polar Year, Paul Rose takes us on an insightful science journey to the Antarctic and the Arctic. What really are the challenges facing scientists as they work in the remotest field sites on earth?

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01:00:00

From the Romans to the Ring Main

by Rob Casey
From the Romans to the Ring Main
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1741 views
Rating:

In London major trunk mains, commissioned by Water Companies who ceased trading over 100 years ago, operate alongside modern assets such the Thames Water Ring Main commissioned in the 1990’s. Hence legacy plays an important part in way the current ....

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00:05:00

Fuel Cells – Main Aspects

by Alfonso Felipe
Fuel Cells – Main Aspects
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1397 views
Rating:

Fundamental aspects and properties of fuel cells in the environment of renewables.

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00:40:00

Future Cities

by Richard Miller
Future Cities
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1367 views
Rating:

Dr Richard Miller, Head of Sustainability at the UK's Technology Strategy Board, speaks about the problems we are facing in our cities and current ways in which these are being addressed.  He gives examples of how chemists and small-medium sized ent....

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00:31:00

Green Chemistry and Catalysis

by Robert Grubbs
Green Chemistry and Catalysis
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1196 views
Rating:

Much of the chemical industry is based on processes that were developed decades ago.  The change in the cost of petroleum carbon and energy sources and the need to control emissions of carbon dioxide and other pollutants will change the rules of the....

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00:13:00

Green roofs

by Christine Thuring
Green roofs
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 1450 views
Rating:

Using roof gardens to improve environment

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01:08:00

Housing for a low carbon energy future.

by Tadj Oreszczyn
Housing for a low carbon energy future.
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1466 views
Rating:

Almost half of the UK 's energy is used in buildings to provide a safe, healthy, comfortable, productive and fun environment. Most future low carbon scenarios assume significant reductions in carbon emissions associated with the built environment ove....

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01:01:00

How embryos build organs to last a lifetime

by Brigid Hogan
How embryos build organs to last a lifetime
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1064 views
Rating:

All the organs of our body originate from small founder populations of cells which multiply into complex structures. ÊAdult stem cells are used to maintain organs throughout adult life and to repair or regenerate them after damage.Ê Focusing on the....

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