Waste not, want not: astronauts to turn pee into nutrients, tools on deep-space missions

Stay hydrated up there, ladies and gents.

Increasing the price of US cigarettes by just one dollar per pack would lead to one million people kicking the habit

A small increase to bring about huge change.

Learning and exploration might drive teenagers’ risky, bad decisions, not poor impulse control

Ah, adolescence… so glad I’m over that.

Preliminary results suggests probiotic immunotherapy cures peanut allergy four years after treatment

Sometimes you have to fight nuts with nuts (and probiotic).

Finally, a large-scale probiotics trial is successful — it combats infant sepsis

It’s one of the few major trials that actually reported success.

Scientists make healthy sperm in the lab, raising hope for those suffering from genetic male infertility

They started from a mouse’s ear tissue cells, which they eventually turned into healthy sperm.

Talking in a foreign language makes our decision more about utility, less about emotion

The language we use really does influence what our brains are doing.

Micro-vehicles move through a mouse stomach, healing its ulcers

The future is here.

Scientists figure out the “recipe” for magic mushrooms

Psilocybin has repeatedly shown promise in treating some mental issues — this might usher in a new age of testing.

Drug-resistant candida outbreaks in the UK despite hospital efforts to control it

The CDC deemed this fungus a “serious global health threat.”

Blood test can find cancer even before any symptoms emerge

Genetic sequencing could pave the way for a new age of cancer detection.

What’s the difference between HIV and AIDS

You shouldn’t use the two interchangeably.

Researchers hijack plant to produce polio vaccine

Anti-vaxxers finally have a natural option.

Knee arthritis has doubled since 1950, and we don’t really know why

Aging and obesity alone cannot explain it.

New insights into testicular macrophages, the guardians of male fertility

Meet the testis police!

Chinese doctors replace woman’s vertebrae with 3D printed titanium implants

Medical technology is entering a new era.

UN declares Somalia polio-free

Soon, we might truly eradicate polio.

Feeling bad about feeling bad makes you feel even worse

Turn that frown upside down? No, just accept that sometimes it’s OK to feel bad.

How alleles make us who we are

It has to do with your parents, and a bit of luck.

What happens in the brain when you mix marijuana and alcohol

Alcohol and weed can mix well, but only if you’re careful.