Human mothers raise fetuses inside their wombs and breast feed their babies for a long time after birth; scientists believe that human ancestors experienced unforeseen dramatic changes in DNA under threats of extinction.
Curiosity Now57m
Watch Leaps in Evolution with Fubo
- 100+ channels of live sports & TV
- Up to 1,000 hours of Cloud DVR
- Stream on up to 10 screens at once
- No contract, no commitment
Starting at $79.99/mo
Additional taxes, fees and regional restrictions may apply