Physics
- Animals
Scientists Say: Echolocation
This word describes a method that some animals use to sense their environments by making sounds and listening for their echoes.
- Tech
Here’s one way to harvest water right out of the air
Need water but you have no access to rain, lakes or groundwater? Materials known as metal-organic frameworks could be used to slurp that water from the air, new data show.
- Health & Medicine
Six foot social-distancing will not always be enough for COVID-19
To avoid COVID-19, keeping a 6-foot social distance is a good rule of thumb. But for plenty of instances, that might not be nearly far enough.
- Chemistry
Batteries should not burst into flames
Because lithium-ion batteries power modern life, they need to store a lot of energy. Now scientists are focusing on making them safer.
- Math
Lack of diversity in his field has troubled this mathematician
As a kid, Edray Goins didn’t like math. But he fell in love with the subject in college and is now training the next generation of minority mathematicians.
- Physics
Scientists Say: Photon
This word describes light as a particle. A photon is the tiniest possible bit of electromagnetic radiation.
- Health & Medicine
New ultrasound treatment kills off cancer cells
Low-frequency ultrasound destroys cancer cells while leaving most healthy cells intact.
- Materials Science
Silk can be molded into strong medical implants
Freeze-dried and powdered silk has a long shelf life. It also is cheap to ship and can be molded into sturdy medical implants.
- Physics
Try This: Walking on water with science
Water striders walk on water. How do they do it? They spread out. This experiment will show you how it works.
- Physics
Soap bubbles’ ‘pop’ reveals the physics of the bursts
A bubble’s pop is a quiet, high-pitched noise. This can reveal the forces that occur during the bubble’s demise.
- Chemistry
Converting trash to valuable graphene in a flash
Flash heating of carbon-rich wastes creates graphene, which has many commercial uses.
- Physics
Explainer: Understanding waves and wavelengths
A wave is a disturbance that moves energy from one place to another. Only energy — not matter — is transferred as a wave moves.
