Trees struggle to ‘breathe’ as climate warms

Trees are struggling to sequester heat-trapping carbon dioxide (CO2) in warmer, drier climates, meaning that they may no longer serve as a solution for offsetting humanity’s carbon footprint as the planet continues to warm, according to a new study.

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…