All Stories
- Agriculture
As infections ravage food crops, scientists fight back
Diseases threaten important food crops like cocoa beans, wheat and citrus. Scientists are working to understand these infections — and fight back.
- Animals
Giving cats a special food may one day help people with cat allergies
Research by pet-food maker Purina aims to disable the major allergen carried in cat saliva. It’s a protein called Fel d1.
- Animals
A flexible bone that aids mammals in chewing arose during the Jurassic
A flexible bony structure that helps with chewing may have helped give rise to the Age of Mammals, a new fossil suggests.
- Health & Medicine
Congo’s Ebola outbreak declared a public health emergency
Ebola cases in new regions prompted the World Health Organization to declare Congo’s yearlong outbreak a public health emergency.
- Health & Medicine
Scientists Say: Olfactory
Smell something? Thank your olfactory sense. Olfactory refers to anything having to do with smell.
- Health & Medicine
Beyond the El Paso shooting: Racist words and acts harm kids’ health
An author of a new report by the American Academy of Pediatrics describes how racist acts, such as gun violence, can lead to lifelong physical and mental harm
- Physics
Sound ways — literally — to move and filter things
New technologies use sound waves to move and levitate objects. It’s not magic — it’s acoustophoresis.
- Brain
Lasers make mice hallucinate
Scientists used a technique called optogenetics to make mice “see” vertical or horizontal lines that didn’t actually exist.
- Physics
If dark matter particles could kill us, they would have already
Dark matter is a mysterious substance. The fact that no one has been killed by it suggests it is relatively small and light.
- Chemistry
Tiny new magnets are not only squishy but also liquid
Researchers have just created liquid droplets that behave like tiny bar magnets. The movement of these external magnets might help control robots and more.
- Animals
Scientists Say: Hertz
Frequency is how often something repeats over a period of time. Frequency is often measured in hertz, the number of times a cycle repeats each second.
- Climate
Explainer: Why some clouds glow in the dark
A surprise space rock lit up the night sky over California — and left behind a rare type of cloud. Such glowing beauties may become more common with climate change.
