News
- Archaeology
A Siberian cave contains clues about two epic Neandertal treks
Stone tools and DNA illuminate an earlier and a later journey eastward across Asia.
- Chemistry
How to brew a better espresso, according to science
To make more consistent and affordable espresso shots, use fewer beans and grind them more coarsely, a new study says.
- Paleontology
A squid fossil offers a rare record of pterosaur feeding behavior
150 million years ago, a pterosaur attempted to snatch a squid from the ocean surface and lost a tooth in the process.
- Health & Medicine
How the new coronavirus stacks up against SARS and MERS
Coronaviruses are a diverse family that may be becoming more threatening to people.
