Rwanda planted dozens of exotic tree species in an experimental forest in 1933; 90 years later scientists found eucalyptus had acidified the soil

Eucalyptus plantations became Rwanda's dominant forestry crop after initial experiments. By the early 1970s, Rwanda had ...
The College Fix

U. Penn will make sure students can do math

“Penn’s math prerequisites aren’t new; they have always been listed alongside course descriptions in the catalog, but now the ...

She memorized 200+ Taylor Swift songs: Now this 18-year-old Los Angeles girl has won $100,000 for her quantum physics research

An 18-year-old Los Angeles student Rachel Chen and devoted Taylor Swift fan has won $100,000 at the Regeneron Science Talent ...
Scientific American

There are just five perfect shapes in math—here's why

The five Platonic solids are the epitome of perfection—at least in mathematics. Topology explains why there are only five of ...