Tag: PNAS
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Science & Tech
New frontier in archaeology
Jason Ur, the John L. Loeb Associate Professor of the Social Sciences, worked with Bjoern Menze of MIT to develop a system that identified ancient settlements based on a series of factors — including soil discolorations and the distinctive mounding that results from the collapse of mud-brick settlements.
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Health
Why cooking counts
In a first-of-its-kind study, Harvard researchers have shown that cooked meat provides more energy than raw meat, a finding that challenges the current food labeling system and suggests humans are evolutionarily adapted to take advantage of the benefits of cooking.
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Science & Tech
Slimy secrets
Harvard researchers have discovered that Bacillus subtilis biofilm colonies exhibit an unmatched ability to repel a wide range of liquids — and even vapors. The finding holds promise for developing better ways to eliminate harmful biofilms that can clog pipes, contaminate food production and water supply systems, and lead to infections.