News

Health & Medicine

Junior moments

A new study finds that young adults actually had more "senior moments" than did older people.

Animals

Dogs show a fetching communication savvy

In a sign of understanding that one object can be used to represent another, border collies fetch toys after being shown replicas or, in some cases, photos of those toys.

Space

Brines on Mars

Unusually high concentration of perchlorate salts found in Martian soil suggests that the Red Planet may harbor shallow, extremely briny oceans just below its surface. The existence of these brines may explain a host of puzzles on Mars.

Physics

Never mind the Pollock ‘fractals’

Scientists strengthen claim that fractal analysis is moot.