Explore 25 thought experiments that challenge reality, from simulations to brains in vats. Question existence, identity, and ...

Teleportation sounds clean until the machinery gets involved. A person steps into a chamber, presses a button, and appears ...

The human body is genetically programmed for survival, which often means storing energy as adipose tissue. For most of human ...

Some predators chase. Others ambush. And some even shoot, weaponizing the laws of physics and actively gunning down their ...

The brain is more mechanically connected to the body than previously appreciated, scientists report in Nature Neuroscience.