News
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EarthObsidian artifacts can record ancient climate
The layer of hydrated material that forms on the surface of ancient obsidian artifacts as they age can be used to estimate the temperatures that the artifacts have experienced.
By Sid Perkins -
Blood clot protein is stretchiest natural fiber ever found
The protein that forms the backbone of blood clots can stretch to several times its own length and then snap back to its original size.
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EarthAs glaciers shrink, the Alps get taller
The melting of massive glaciers in the Alps is removing weight from those peaks and causing them to gain altitude.
By Sid Perkins -
Health & MedicineScientists find midnight-snack center in brain
Researchers have tracked down the location of a body clock that appears to be regulated by food.