Science & Tech

Science & Tech

Explore the discoveries that reveal how the world works, alongside the technologies that extend, reshape, and sometimes challenge what’s possible.

More humans are being born with a third arm artery, an example of microevolution happening right before our eyes.
4mins
Rituals come as much from religion as they do from the way Earth spins around the Sun.
eagle nebula stars
Even though the leftover glow from the Big Bang creates a bath of radiation at only 2.725 K, some places in the Universe get even colder.
The serotonin theory of depression started to be widely promoted in the 1990s, coinciding with a push to prescribe more SSRIs.
instructional design models
There are dozens of instructional design models, but most learning designers rely on a select few. Here are four of the most common.
From Amazon to the US Army, everybody wants one (or 150).
time dilation
We live in a four-dimensional Universe, where matter and energy curve the fabric of spacetime. But time sure is different from space!