Forbes2 个月
These Biorobots Are About To Walk Like Earth’s First Land Animals
Over 390 million years ago, the ancestors of modern land animals said, “Feet before fins,” and took their first steps on earth ... these creatures might have walked. Having physical models ...
Natural History Museum%2c London1 年
When whales walked on four legs
Although whales are expert swimmers and perfectly adapted to life underwater, these marine mammals once walked on four legs. Their land-dwelling ancestors lived about 50 million years ago. Meet ...
earth9 天
These marine mammals have lost their ability to ever walk on land again
Scientists confirm that orcas and dolphins have lost the ability to return to dry land due to irreversible evolutionary ...
PBS2 个月
Fish with Fingers:
The transition from these lobe-fins to the earliest tetrapods -- four-legged animals that walked on land ... One of the first vertebrates that may have ventured onto land, whose remains date ...
Australian Broadcasting Corporation4 年
David Attenborough's First Life
in search of the very first animals that moved, to the first predators that killed and the first legs that walked on land. Watch all your favourite ABC programs on ABC iview. More from ABC We ...
Australian Broadcasting Corporation3 个月
David Attenborough's First Life
in search of the very first animals that moved, to the first predators that killed and the first legs that walked on land. Watch all your favourite ABC programs on ABC iview. More from ABC We ...