Do all animals sleep?

"Nothing is certain except for death and taxes," said Benjamin Franklin. Of course, he left out another certainty for humankind: sleep. All humans sleep, albeit some better than others. But do all animals sleep, too?

Newly engineered enzyme speeds up slow organic reaction

Versatile catalysts with new features and functions could revolutionize scientists' synthetic strategies, paving the way for high-value chemicals and a greener chemical industry. In search of such catalysts, scientists have ...

Why haven't we wiped out rabies yet?

Despite effective vaccines, the rabies virus kills around 59,000 people a year. We asked medical anthropologist Deborah Nadal why the disease is still a threat.

What's in store for Europe's tree species?

Scientists supported by the EU-funded FORGENIUS project have presented a new data set showing current and potential future distributions of European tree species. Called EU-Trees4F, the data set provides a detailed model ...

Can insects get fat?

Insects don't have time to laze about—that's probably why we say someone is "as busy as a bee." But would an overfed and underactive bug find itself putting on weight like we do? We put this question to insect expert Erlend ...

page 5 from 40