Chemistry

A protein from microscopic creatures called tardigrades keeps their DNA protected—and could someday shield humans from radiation.

Companies worry Trump will harm global trade, while Clinton accuses them of price-gouging

Compounds from the Southeast Asian tree offer hope for a safer opioid alternative, but research could slow to a crawl as the DEA steps in 

The weekend’s IED incidents are a reminder of ways that resourceful attackers can make their own weapons

An analytic science project

Fabric dyed with indigo just found in Peru is some 1,600 years older than indigo-dyed fabrics that have been found in the Middle East.

After vowing to go natural, food brands face a shortage of the favored flavor  

Two studies highlight overlooked ways that we are being exposed to indoor and outdoor pollution

Sequences of nearly 200 beer-making strains reveal yeast in action

Non-egg-layers are killed after they are born. A new technique detects sex in 3-day-old embryos, which can be dispatched before they feel pain

The goal: Inexpensive hydrogen for fuel cells that power cars and homes

Although there is no conclusive evidence of danger to humans, antibacterials’ benefits have not been proved to exceed potential risks