Uncategorized

Planetary Science

Cosmic dust may create Mars’ wispy clouds

Magnesium left by passing comets seeds the clouds of Mars, a new study suggests.

Neuroscience

Brain waves may focus attention and keep information flowing

Not just by-products of busy nerve cells, brain waves may be key to how the brain operates.

Animals

Dino-bird had wings made for flapping, not just gliding

Archaeopteryx fossils suggest the dino-birds were capable of flapping their wings in flight.

Astronomy

We probably won’t hear from aliens. But by the time we do, they’ll be dead.

Astronomers build on the Drake Equation to probe the chance that humans will find existing aliens.