Uncategorized
- Animals
New frog discovered in New York City
This animal could almost be mistaken for the southern leopard frog — until it opens its mouth. The call the males issue has proven unique.
- Physics
Detecting a single proton
Doctors typically use magnetic-resonance imaging, or MRI, to see tissues and organs inside the body. Physicists can harness a similar technology. And they did that to spotlight something even smaller — a single proton. But followup analyses, reported in January 2015, forced a retraction of their original claim.
- Genetics
Germs help each other fend off antibiotics
Drug-resistant bacteria can cause persistent infections. A new study finds these germs fight drugs in different ways. And they can swap various compounds, increasing their neighbors’ chances of overcoming the drugs meant to kill them.
- Physics
Raindrops break the speed limit
Raindrops shouldn't be able fall faster than what is known as their terminal velocity. But no one told the rain. Researchers have found droplets breaking that speed limit.
- Agriculture
Drones put spying eyes in the sky
From keeping tabs on changing landscapes to protecting animals from poachers, scientists are using drones to push their fields forward.
- Physics
Escape from a lab-built black hole
In the 1970s, physicist Stephen Hawking suggested that some particles could escape a black hole. An experiment now shows how, using a lab-made black hole ‘made’ from sound.
- Earth
Cleaning with greens
Cleaning up toxic waste is a big and expensive problem. Scientists have tinkered with the genes in some plants. Now those greens can take on this dirty work. Still, they're not quite ready for prime time.
- Animals
Fish just wanna have fun
Although biologists have observed fish playing before, scientists have now recorded hours of video showing a new type of antic in fish.
- Fossils
Spiked tail to the rescue!
A stegosaur’s bony ‘armor’ didn’t just fend off a predator’s teeth. The tail spikes could gore attackers, ultimately killing them, fossils now show.
- Climate
Will water woes leave Americans thirsty?
In the United States, people often assume that clean water will always be available. But factors ranging from global warming to pollution have begun threatening drinking-water supplies.
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Teen stitches up a Broadcom win
Holly Jackson, 14, of San Jose, Calif., grabs top honors — and a $25,000 award — in the finals of the Broadcom MASTERS competition.
- Tech
A cane that can ‘see’
Pre-teen’s invention clips onto a blind person’s cane and detects objects in a person’s path, helping them to avoid trip hazards.
