It’s surprisingly difficult to prove one of the most basic properties of a number: whether it can be written as a fraction. A ...

The mathematician and author Steven Strogatz and the astrophysicist and author Janna Levin interview leading researchers about the great scientific and mathematical questions of our time.

Nanotube bridge networks grow between the most abundant photosynthetic bacteria in the oceans, suggesting that the world is ...

Hypothetical devices that can quickly and accurately answer questions have become a powerful tool in computational complexity ...

Evolution was fueled by endosymbiosis, cellular alliances in which one microbe makes a permanent home inside another. For the ...