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- Tech
Gecko-inspired robot grippers could grab hold of space junk
Aboard a microgravity plane, NASA is testing gecko-inspired grippers that one day could help clear up space junk.
- Anthropology
Carved human skulls found at ancient worship center in Turkey
Visitors to an ancient ritual site may have carved human skulls as part of ancestor worship.
- Life
Chronic flu patients could be an early warning system for future outbreaks
Cancer patients’ long-term flu infections may preview future viruses.
- Plants
Floral curve test shows what’s great for a moth is not so good for a flower
3-D printed flowers reveal a hidden conflict between a hawk moth and the flowers it pollinates.
- Earth
Battering storms caused Antarctic sea ice to shrink at record pace
Unusually intense storms could explain why Antarctic sea ice shrank to its smallest observed extent this year.
- Archaeology
Sound-reflecting shelters inspired ancient rock artists
Ancient Europeans sought rock art sites where sounds carried.
- Ecosystems
Earth’s dry zones support a surprising number of trees
A Google Earth-based estimate of dryland forests adds serious leafage to Earth’s total tree count.
- Chemistry
Every breath you take contains a molecule of history
In 'Caesar’s Last Breath', best-selling author Sam Kean tells vivid stories about the gases we can’t see.
- Animals
This glass frog wears its heart for all to see
A newly discovered glass frog species has skin so clear that it reveals most of the animal’s internal organs, including the heart.
- Life
Scientists spy on the secret inner life of bacteria
New images reveal the inner workings of bacteria.
- Life
Flight demands may have steered the evolution of bird egg shape
An analysis of nearly 50,000 bird eggs finds a link between a species’ egg shape and flight ability.
