DNA molecules attached to the outside of a rocket may be able survive a trip to suborbital space and back into the Earth's atmosphere at extremely high temperatures.
A microscopic marine creature believed to have been extinct for four million years has been found alive and well in New Zealand waters, researchers said.
French and South African biologists will dive to deep-sea caves in the Indian Ocean next month in a bid to locate the coelacanth, the "living fossil" fish whose history predates the dinosaurs.
Biologists say the human hand is a wonder of evolution, providing dexterity that lets our species perform activities as diverse as bricklaying, writing, ice hockey and brain surgery.