Uncategorized
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- Earth
Killer space rock snuffed out ancient life
Rock fragments from Antarctica suggest a huge meteor struck Earth 250 million years ago.
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- Chemistry
How a Gecko Defies Gravity
A gecko's tight grip on walls and ceilings suggests new types of sticky materials.
- Physics
Echoes of a stretched egg
Sound waves bounce off people as if each person resembles an elongated egg.
- Environment
Will climate change depose monarchs?
If Mexico gets too wet, migrating monarch butterflies could lose their winter refuges.
- Tech
Running with sneaker science
For marathon runners and other athletes, sneaker research helps reduce the pain.
- Animals
Poisonous Spiders as Reluctant Hunters
The brown recluse spider prefers scavenging dead food to hunting live prey.
- Environment
Plastic meals for seals
Pieces of discarded plastic can end up in the stomachs of seals.
- Space
Asteroid lost and found
A long-lost asteroid that came close to Earth in 1937 has been spotted again.
- Archaeology
Symbols from the Stone Age
Rocks found in a cave suggest the people used objects and colors to stand for other things more than 90,000 years ago.
- Health & Medicine
Fighting Off Micro-Invader Epidemics
Colds, the flu, and other, deadlier diseases can spread very quickly.
