All Stories by Stephen Ornes
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- Fossils
Old relative steps down
Ancient human ancestor climbed trees but also walked clumsily upright on the ground.
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- Humans
Becoming human
Two new studies suggest that during ice ages, steep drops in temperature may have sent ancient species moving to more temperate, or mild, areas. As a result, these species would have been isolated from other populations.
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- Environment
Water’s worldwide travels
Scientists track the movement of ‘virtual water,’ used in the production of goods and exchanged among nations.
- Fossils
Dino drama
Scientists study skulls to determine whether Triceratops and Torosaurus were two different species.
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- Earth
Twist and shake
A new look at the shape of the San Andreas Fault suggests future earthquakes may be stronger than previously thought.
- Fossils
Early toehold on land
A five-toed fossil now holds the record for smallest, oldest foot ever found.
- Physics
Too fast to be true
Last September, scientists working on an Italian experiment called OPERA reported a measurement that seemed too amazing to be true. Their finding involved neutrinos, supersmall and ultrafast particles that can travel through almost anything without stopping. The scientists measured the speeds of neutrinos that zipped from one underground laboratory to another and reported that the zippy little particles traveled faster than light. In November, they repeated the experiment and got the same results.
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