News
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Health & MedicineHookworms hitched rides with nomads
Horseback-riding herders known as Scythians once traveled far and wide across Eurasia, and their remains contain the parasites to prove it.
By Ben Harder -
Health & MedicineMany people don’t see well
Vision screening of a broad sample of people in the United States ages 12 and older finds that 6.4 percent of them have substandard vision.
By Nathan Seppa -
Planetary ScienceThe sands of Titan
Although the surface of Saturn's moon Titan is cold enough to freeze methane, it has sand dunes like those in the Arabian Desert, according to radar images taken by the Cassini spacecraft.
By Ron Cowen -
PhysicsA well-spun egg also jumps
Physicists have demonstrated that spinning a hard-boiled egg horizontally makes it jump into the air.