376 results
- Space
What has Perseverance found in two years on Mars?
NASA's Perseverance rover has turned up volcanic rocks, signs of flowing water and some of the materials necessary for life.
- Chemistry
How rare earth elements’ hidden properties make modern technology possible
Because of their unique chemistry, the rare earth elements can fine-tune light for many different purposes and generate powerful magnetic fields.
- Chemistry
These chemists cracked the code to long-lasting Roman concrete
Roman concrete has stood the test of time, so scientists searched ruins to unlock the ancient recipe that could help architecture and climate change.
- Chemistry
Josep Cornella breaks boundaries to make new and better catalysts
Josep Cornella reinvents chemical reactions essential for agriculture and the pharmaceutical industry.
- Environment
Recycling rare earth elements is hard. Science is trying to make it easier
As demand grows, scientists are inventing new — and greener — ways to recycle rare earth elements.
- Chemistry
A pigment’s shift in chemistry robbed a painted yellow rose of its brilliance
The degradation of an arsenic-based paint stripped shadows and light from a still life flower in a 17th century work by painter Abraham Mignon.
- Health & Medicine
Louis Pasteur’s devotion to truth transformed what we know about health and disease
Two centuries after his birth, Louis Pasteur's work on pasteurization, germ theory and vaccines is as relevant as ever.
- Chemistry
Why once-gold ceilings in Spain’s Alhambra palace have purple stains
Moisture infiltrated flawed gilding at the iconic palace, leading to corrosion that deposited gold nanoparticles of the right size to appear purple.
- Environment
Common, cheap ingredients can break down some ‘forever chemicals’
Forever chemicals, or PFAS, are harmful compounds that are very difficult to degrade. But some are no match for lye and dimethyl sulfoxide.
- Chemistry
Cats chewing on catnip boosts the plant’s insect-repelling powers
When cats tear up catnip, it increases the amount of insect-repelling chemicals released by the plants.
- Health & Medicine
‘Forever chemicals’ may pose a bigger risk to our health than scientists thought
PFAS are linked to obesity, cancers and more. Growing evidence of the chemicals’ risks has prompted new guidance for safe drinking water and consumer testing.
- Chemistry
These researchers are unlocking Renaissance beauty secrets
An art historian has teamed up with chemists to uncover the science behind cosmetics used around 500 years ago.
