Uncategorized
-
AnthropologyThe oldest known mummies have been found — in Southeast Asia
Southeast Asian groups mummified bodies over smoky fires before burying them as early as 12,000 years ago, long before Egyptians began making mummies.
By Bruce Bower -
Materials ScienceSalt can turn frozen water into a weak power source
Experiments reveal that when slabs of salty ice are strained, electricity is generated, though practical uses are still a long way off.
By Nikk Ogasa -
SpaceHow a Harvard maverick forever changed our concept of the stars
At just 25, Cecilia Payne-Gaposchkin applied quantum physics to a treasure trove of astronomical observations to show that stars are mostly hydrogen and helium.