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00:07:00

The Mother Fish

by John Long
The Mother Fish
for All ages,
Lectures | All ages | 14 years ago | 2927 views
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Evidence of reproduction by internal fertilization has been discovered in a large group of ancient jawed fish. Embryos discovered within fossils of these animals confirm that live birth in prehistoric times was much more widespread than previously th....

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00:08:00

Platypus Genome

by Jenny Graves
Platypus Genome
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1822 views
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The duck-billed platypus is a truly unique animal; a monotreme with almost no close relatives alive on earth. Scientists just had to take a look at that genome and here they discuss their findings.

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00:07:00

Whale Evolution

by Hans Thewissen
Whale Evolution
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 4717 views
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The marine mammals known as cetaceans originated about 50 million years ago in south Asia, but their terrestrial ancestor is something of a mystery. Hans Thewissen and colleagues now provide the missing Eocene piece of the jigsaw.

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00:04:00

Climate Change: Madagascar

by Anjali Nayar
Climate Change: Madagascar
for 11-14 and upwards,
Lectures | 11-14 and upwards | 14 years ago | 3537 views
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Anjali Nayar visited a pioneering project in Madagascar that's aiming to protect one of the country's few remaining forests. It's hoped that projects like this will help curb global warming. But first, these projects must overcome the poverty and pol....

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