Python -O won’t magically make every script faster, but in the right workloads it’s a free win—here’s how to test it safely.

At the dawn of the nuclear age, scientists created the Doomsday Clock as a symbolic representation of how close humanity is to destroying the world. On Tuesday, nearly eight decades later, the clock ...

Park is a senior health correspondent at TIME. She covers the COVID-19 pandemic, new drug developments in cancer and Alzheimer’s disease, mental health, HIV, CRISPR, and advances in gene therapy, ...

Going to bed earlier and waking in the early morning often matches humans’ natural circadian rhythm, or internal clock, which tends to follow daylight patterns. Most adults need at least 7 hours of ...