Chemistry
- Chemistry
Tycho Brahe dabbled in alchemy. Broken glassware is revealing his recipes
The shards contain nine metals that the famous astronomer may have used, including one not formally identified until 180 years after his death.
- Health & Medicine
Some ‘forever chemicals’ may be absorbed through our skin
PFAS, which are found in common products such as cosmetics, food packaging and waterproof gear, have been linked to health problems.
- Chemistry
A new element on the periodic table might be within reach
Scientists made the known element 116 with a beam of titanium atoms, a technique that could be used to make the undiscovered element 120.
- Planetary Science
Sulfur was key to the first water on Earth
Hydrogen bonded with sulfur may have given our world its first water after the hydrogen broke away and joined with oxygen in the planet’s crust.
- Materials Science
Jurassic Park’s amber-preserved dino DNA is now inspiring a way to store data
DNA is capable of encoding all sorts of data. Storing it in an amberlike material may keep that information safe for nearly forever.
- Environment
Landfills belch toxic ‘forever chemicals’ into the air
An analysis of samples from three Florida landfills shows that landfill gas can carry more PFAS than the liquid that leaches from the waste.
- Chemistry
‘Flavorama’ guides readers through the complex landscape of flavor
In her new book, Arielle Johnson, former resident scientist at the restaurant Noma, explains how to think like a scientist in the kitchen.
- Chemistry
A new method of making diamonds doesn’t require extreme pressure
Lab-grown diamonds can form at atmospheric pressure in a liquid of gallium, iron, nickel and silicon.
- Space
How a sugar acid crucial for life could have formed in interstellar clouds
Computer calculations and lab experiments have revealed a possible mechanism for the creation of glyceric acid, which has been seen in meteorites.
- Chemistry
Protein whisperer Oluwatoyin Asojo fights neglected diseases
Oluwatoyin Asojo’s work on hookworm protein structures have contributed to a vaccine being tested in people.
- Humans
These are the chemicals that give teens pungent body odor
Steroids and high levels of carboxylic acids in teenagers’ body odor give off a mix of pleasant and acrid scents.
- Chemistry
The smallest known molecular knot is made of just 54 atoms
Chemists are still trying to figure out why this combination of gold, phosphorus, oxygen and carbon atoms resulted in a molecular knot in the first place.
