A year after undermining Bredt's rule, scientists make cage-shaped, double-bonded molecules that defy expectations

Organic chemistry is packed with rules about structure and reactivity, especially when it comes to making and breaking ...
The New York Times

The Best Language Learning Apps

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Justin Pot Our upgrade pick, Babbel, has discontinued its premium Live service ...