207 results found for biology

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00:02:00

Raman spectra of bacteria on nano particles

by Wei Huang
Raman spectra of bacteria on nano particles
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 5058 views
Rating:

How we can use the Raman spectra of bacteria on nano particles

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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 | 2093 views
Rating:

Using microorganisms to clear pollution.

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00:09:00

Breast Cancer Susceptibility Gene BRCA2

by Angelica Medina
Breast Cancer Susceptibility Gene BRCA2
for 18-22 and upwards,
Lectures | 18-22 and upwards | 12 years ago | 1385 views
Rating:

BRAC2 is a tumor suppressor gene. Its protein product interacts with other proteins to assist regulation of DNA repair, transcription and cell cycle checkpoints. BRAC2 gene disruption may lead to protein truncation, mutations and loss of function. Ce....

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00:05:00

Retinoblastoma

by Kyla McKay
Retinoblastoma
for 18-22 and upwards,
Lectures | 18-22 and upwards | 12 years ago | 1553 views
Rating:

Kyla discusses an overview of the disease, the most common method in which it is diagnosed, as well as the major chemotherapeutics used to treat it.

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00:12:00

Human Papilloma Virus

by Cassandra Flores
Human Papilloma Virus
for 18-22 and upwards,
Lectures | 18-22 and upwards | 12 years ago | 1646 views
Rating:

The aim of this presentation is to provide an overview of the Human Papilloma Virus (HPV) and the associated carcinogenic pathologies of HPV. The predominant cellular players discussed in HPV pathologies are p53 and viral oncoprotein E6. In addition,....

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00:10:00

Bioenergetics of Cancer Cells

by Elda Rueda
Bioenergetics of Cancer Cells
for 18-22 and upwards,
Lectures | 18-22 and upwards | 12 years ago | 1759 views
Rating:

A brief summary from the literature about cancer cells' metabolism; 1) the major pathways cancer cells use to generate energy and macromolecules efficiently and rapidly and 2) the enzymes cancer cells up-regulate to control those pathways.

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00:08:00

Lapatinib treatment for HER2 Positive Breast Cancer

by Abir Kahn
Lapatinib treatment for HER2 Positive Breast Cancer
for 18-22 and upwards,
Lectures | 18-22 and upwards | 12 years ago | 4194 views
Rating:

Discussion on the background information, etiology, and treatment of HER2 positive breast cancer.

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00:03:00

Microfluidic Biosensor

by Jonathan Yam
Microfluidic Biosensor
for 22 and upwards,
Lectures | 22 and upwards | 12 years ago | 1447 views
Rating:

University of Toronto student Jonathan Yam describes his research on microfluidics during Summer 2010 in the laboratory of Bob Westervelt at Harvard University under the direction of Alex Nemiroski.

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00:06:00

The cuckoo egg mystery

by Tim Birkhead
The cuckoo egg mystery
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 1607 views
Rating:

Research discover new reason for cuckoo success

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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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00:16:00

Everything we touch is dirty!

by Ana Lorena Morales Garcia
Everything we touch is dirty!
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 1713 views
Rating:

Is food safe to eat if dropped on the floor for less than 5 seconds?

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00:10:00

Effects of high fat diet on bone quality etc.

by Jenna Stevens-Smith
Effects of high fat diet on bone quality etc.
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 1208 views
Rating:

How a high fat diet can have a detrimental effect on our bones

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01:05:00

Pandemic Influenza: one flu over the cuckoo’s nest

by Robert Webster
Pandemic Influenza: one flu over the cuckoo’s nest
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 970 views
Rating:

Where do the pandemic influenza viruses come from and why did experts fail to predict the severity of the 2009 pandemic? However to date, the 2009 H1N1 pandemic influenza has been much less severe than the 1918 Spanish influenza.

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00:31:00

Networks in ecosystems and financial systems

by Robert May
Networks in ecosystems and financial systems
for 18-22 and upwards,
Lectures | 18-22 and upwards | 13 years ago | 1076 views
Rating:

This talk surveys our growing understanding of the relationships between the network structure of ecological networks ? both in mathematical models and in the real world ? and their ability to withstand disturbance, natural or human-created.

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01:04:00

Cloning, stem cells and regenerative medicine

by Ian Wilmut
Cloning, stem cells and regenerative medicine
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 1200 views
Rating:

Extraordinary opportunities to study the molecular mechanisms that cause inherited diseases are being provided by new methods of producing stem cells. Hear about not only the potential value of these new methods, but also how their development was pr....

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01:06:00

Our genomes, our history

by Gilean McVean
Our genomes, our history
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 1579 views
Rating:

Genetic differences between humans reflect the fundamental processes, such as mutation, recombination and natural selection, which have influenced our evolutionary history. Now that we can chart the genomes of many individuals, we are finding many su....

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00:10:00

Origin of Life on Earth: Abiogenesis

by Yangguang Ou
Origin of Life on Earth: Abiogenesis
for 18-22 and upwards,
Lectures | 18-22 and upwards | 13 years ago | 5511 views
Rating:

This presentation portrays a general overview of the theory of abiogenesis and its conceptual history. From the theory of spontaneous generation to biogenesis to the modern-day abiogenesis, the changing perception of the origin of life is discussed.....

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00:07:00

Cape Gannets

by Sarah Merrel
Cape Gannets
for 14-19 and upwards,
Undergraduate presentations | 14-19 and upwards | 13 years ago | 2011 views
Rating:

Study on Cape Gannets, a new prey for quickly adapting Great White Pelicans on Malgas Island, South Africa. First observed in 2008. Result of indirect human involvement; Cape Gannets should be reconsidered for conservation management.

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00:11:00

Body Fuel for Long Distances

by Sarah Purcell
Body Fuel for Long Distances
for 14-19 and upwards,
Undergraduate presentations | 14-19 and upwards | 13 years ago | 1644 views
Rating:

In my geoset project I will be discussing the effects of nutrition in long distance endurance. Topics include saturating carbohydrate stores before a race, the Krebs (citric acid) cycle, the effects of dehydration and hyponatremia, and replenishing y....

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00:10:00

Genetic Programming

by Cody Jordan
Genetic Programming
for 18-22 and upwards,
Lectures | 18-22 and upwards | 13 years ago | 1496 views
Rating:

Genetic Programming is an artifical intelligence technique based off of natural selection. A generation of programs is generated, then tested using a fitness function. After that successful programs are altered and replicated successively until a d....

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00:11:00

The Science of Addiction

by Emmaline Massaglia
The Science of Addiction
for All ages,
Undergraduate presentations | All ages | 13 years ago | 1356 views
Rating:

This presentation deals with common additives in cigarettes, including nicotine, and how these affect your body.

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00:08:00

Pharmaco-genomics

by Justis Freeley
Pharmaco-genomics
for 18-22 and upwards,
Undergraduate presentations | 18-22 and upwards | 13 years ago | 3380 views
Rating:

This is a brief presentation discussing the emerging field of pharmaco-genomics. It explains how understanding the human genome can lead to better drug therapy in the future including tailor-made drugs for individuals.

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00:06:00

The Science of Love

by Maeghan Gibson
The Science of Love
for All ages,
Undergraduate presentations | All ages | 13 years ago | 1703 views
Rating:

A brief look into the physical, biological, chemical and behavioral attributes that humanity shares with other members of the animal kingdom focusing on studies done on Jamaican dancers, Belding's ground squirrels, human MHC and others.

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00:08:00

Tissue Engineering

by Mariah Michael
Tissue Engineering
for 18-22 and upwards,
Undergraduate presentations | 18-22 and upwards | 13 years ago | 1321 views
Rating:

Mariah Michael discusses the burgeoning field of tissue engineering and the research being done at Wake Forest University under Dr. Anthony Atala. Each year, thousands of patients die while waiting for an organ transplant. With this technology, patie....

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