Did dementia exist in ancient Greek and Rome?

Did the ancient Greeks and Romans experience Alzheimer’s? Medical texts from 2,500 years ago rarely mention severe memory loss, suggesting today’s widespread dementia stems from modern environments and lifestyles, a new analysis shows.

Bright galaxies put dark matter to the test

The earliest galaxies are thought to have formed as the gravitational pull of dark matter, which has been impossible to study directly, slowly drew in enough hydrogen and helium to ignite stars. But astrophysicists now show that after the Big Bang, hyd…

Source rocks of the first real continents

Geoscientists have uncovered a missing link in the enigmatic story of how the continents developed- – a revised origin story that doesn’t require the start of plate tectonics or any external factor to explain their formation. Instead, the findings rely…

Drug-induced skin swelling

Angioedema is a rare but potentially life-threatening adverse reaction to ACE inhibitors. Researchers have now conducted a genome-wide association study (GWAS) with more than 1,000 affected individuals. They identified a total of three risk loci in the…