Tanya Lewis

All Stories by Tanya Lewis
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- Humans
Pruney digits help people get a grip
Finger and toe wrinkling may have evolved as an adaptation to wet conditions.
- Space
New Martian meteorite is one of a kind
Rock is water-rich and resembles observed regions of Red Planet’s crust.
- Life
Feces study gets the poop on gorillas’ diet
Chemical traces in animals’ droppings reflect shifts in recent food consumption.
- Life
Contender for world’s oldest dinosaur identified
An African specimen suggests the lineage may have arisen 15 million years earlier than thought.
- Astronomy
Voyager crossing superhighway to solar system exit
The latest milestone in a 35-year journey may signal an impending passage to interstellar space.
- Space
First rock from the sun turns out to have ice
Frozen material at the planet’s poles likely came from comet or asteroid impacts.
- Health & Medicine
Auditory test predicts coma awakening
While all patients in a new study could discriminate between sounds early on, those whose ability improved during the first 48 hours wound up recovering.
- Space
Rogue planet found among gang of stars
Astronomers report the closest such free-floating object to Earth.
- Earth
Global drought may have changed less than thought
Simple models have overestimated drying over past 60 years.
- Earth
Sea level rise overflowing estimates
Future sea level rise might exceed estimates due to environmental feedbacks.
- Space
Super-Earth joins ranks in life-supporting zone
The large exoplanet lies just 42 light-years away.