For the first time, scientists have been able to produce kangaroo embryos through in-vitro fertilization (IVF), an important ...
Chemicals in the tooth enamel of Australopithecus suggest the early human ancestors ate very little meat, dining on vegetation instead.
some mammals possess the ability to kill. Grizzly and polar bears are considered the most dangerous, but Eurasian brown bears and American black bears have also been known to threaten humans.
The team found that animals that had the virus inoculated directly into their lungs became severely ill, whereas animals that ...