Uncategorized

Paleontology

Tooth stranger than fiction

A mammal fossil unearthed in South America resembles ‘Ice Age’ saber-toothed squirrel.

Life

The origin of orbs

Spectacular web designs trace back to a single spider origin.

Space

Mars’ history is a fluid situation

Recent data from two spacecraft suggest the planet was mostly dry and cold, with a wet, warm subsurface.

Earth

Pollution may be strengthening Asian cyclones

Sooty brown clouds may underlie the recent emergence of mega-storms striking from India to the Middle East.

Life

Axing molecular zombies may slow aging

Killing off dormant cells slows the decline of mice genetically engineered to grow old fast.