Natural History

Debating the dodo: Extinction date challenged by journals

Human ancestors' oral hygiene secret: The toothpick

Beware of the sea monster! Book charts mythical creatures of medieval maps

The science behind Kim Stanley Robinson's 'Shaman'

How biotechnology could revive extinct animals

Spicing up history: Prehistoric pots hint at food preferences

Archeologists ditch pick axes, use badgers instead

The mystery of Kazakhstan's pentagram

3,000-year-old butter found

Single-cell smackdown: Stromatolites struggled for domination of Earth's early oceans

Fun frogs on display at NYC museum

Oldest fossils reveal when apes and monkeys first diverged