Sensors

Featuring cactus shoes, custom probiotics, never-ending glow sticks, and more.

A telltale COVID-19 symptom underscores the scientific significance of smell—for both patients and practitioners.

What would a sex toy that anticipates your every whim be like?

How I hacked my diet using a continuous blood-glucose monitor.

Neuroscientist David Eagleman aims to give deaf people a new way to hear—and upgrade everyone else’s senses too. by Steven Kotler

Splice DNA. Live forever. Be merry.

A new device claims to go beyond sleep tracking to reset your circadian rhythm.

Sleepless babies can drive modern parents to desperation. Can bots, algorithms, and apps actually help?

How you track your steps matters way less than who you do it with.

A review of three devices: SleepScore Max, Eight Sleep, and Dreem.

Forget what you may have heard about neural networks in software. This startup is making a computer with living neurons.

The same device that is driving you crazy could hold the keys to solving our mental health crisis.