Chemistry

This Plant-Based Gel Stops Bleeding in Seconds

A salve that seals severe wounds is making its way to veterinary clinics. Military and trauma testing may soon follow

Jura 103

The Physics of Whisky’s Aesthetically Pleasing Residue

A photographer teamed up with scientists to figure out the fluid dynamics behind patterns left in whisky glasses

Bath salts obtained by the Tampa Bay Times for testing back in 2012.

No, “Bath Salts” Won’t Turn You Into a Cannibal

But now we have a better idea what the latest generation of the drugs is really doing to your brain

An artist's interpretation of the Philae lander separating from Rosetta and landing on the comet.

The Philae Spacecraft Confirmed the Presence of Organic Molecules on the Comet it Landed On

Researchers hope the finding sheds light on how organic molecules might have first arrived on Earth

A new, zero-power screening method might make testing for lead and other pollutants easier than ever.

Drop This Capsule Into a Stream and It Will Screen For Pollution

Researchers have developed a sensor (no batteries required) that creates a barcode indicating the amount of pollutants and their whereabouts in water

Comet 67P/Churyumov-Gerasimenko as seen by Rosetta last month

Rosetta’s Comet Smells Really, Really Bad

If you could breathe in space, you wouldn't want to breathe this air

Prozac Doesn't Make Birds Happy

Birds on Prozac lose their appetite and libido

Zooplankton and Krill "Pee" Helps Determine Ocean Chemistry

Tiny marine life's expelled ammonia fuels important chemical reactions

The Science of Why Toothpaste Makes Food Taste Funny

Blame toothpaste's foaming action

A fragmented painting of a pig-deer or babirusa (Babyrousa sp.) and hand stencil from one of the caves in Sulawesi, Indonesia.

Rock (Art) of Ages: Indonesian Cave Paintings Are 40,000 Years Old

Cave paintings of animals and hand stencils in Sulawesi, Indonesia, seem to be as old as similar cave art in Europe

Researchers have developed a coating that could one day make cashmere sweaters that never have to be cleaned.

Good-bye, Dry Cleaning. Hello, Self-Cleaning Cashmere

Researchers in Hong Kong have developed a nano-coating that cleans fabric when exposed to light

Geckos Can Control the Movement of Their Toe Hairs

Geckos take advantage of van der Waals forces to run across ceilings, but a simple shift allows them to drop to the ground

Scientists observed the view down the borehole via a computer at the surface as they drilled into the Antarctic ice to reach Lake Whillans.

Thousands of Microbe Species Live in This Buried Antarctic Lake

Drilling through half a mile of ice let scientists uncover the first solid evidence of life in a subglacial lake

Flax yarn recovered from late Neolithic graves, heavily laden with resin.

The First Ancient Egyptian Mummies Might Have Appeared 1,500 Years Earlier Than Egyptologists Thought

Egyptians were embalming their dead as far back as 4,100 B.C.

Another Horribly Botched Execution Reveals Ongoing Flaws in Lethal Drug Cocktails

The execution of Arizona inmate Joseph Wood took nearly two hours

"Watermarks" earned first place in the contest. “The way water in this picture found its way back to the ocean reminded me of a peacock's tail spreading under the sun or a woman's hair blowing in the wind,” Sadri writes.

Who Knew Fungi and Fruit Fly Ovaries Could Be So Beautiful?

Princeton University’s annual science art contest shines a light on the research world, adding a video element this year

14 Fun Facts About Fireworks

Number three: Fireworks are just chemical reactions

Rabbits around old military facilities on Okunoshima.

This Once-Secret Island Now Hosts Hordes of Adorable Bunnies

Now home to hundreds of semi-tame bunnies, the island once housed poison gas facilities

You Have Carbon Monoxide in Your Blood—But Not As Much As an Elephant Seal Does

Elephant seals have so much carbon monoxide in their blood, it's as if they're smoking 40 cigarettes a day

The planet Kepler-22b, shown in this artwork, is the right size and distance from its star to support liquid water, and perhaps life.

The Search for Life Across the Universe

Smithsonian astrophysicist Jeremy Drake explains how the question changed from "if" life will be found elsewhere to "when" and "where"

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