Uncategorized
- 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.
- Animals
Teen studies living flashlights of the deep
A teen studies a cryptic fish to better understand when and why it flashes its bacterial glow.
- Humans
Stone Age stencils: Really old art
Scientists thought that cave art started in Europe. New analyses now dash that assessment. Stencils in an Indonesian cave are every bit as old as the better-known drawings in caves in France and Spain.
- Physics
How science saved the Eiffel Tower
The Eiffel Tower was an engineering masterpiece. But Parisians initially thought it too ugly to let stand for more than 20 years. So Eiffel made the tower a bastion of science. And that would soon ensure that the structure was too valuable to tear down.
- Tech
Fun facts about the Eiffel Tower
Here are some details of what it took to design, build — and what it now takes to maintain — this icon of the Paris skyline.
- Health & Medicine
Pills of frozen poop fight killer disease
Popping poop pills? Of course it sounds yucky. But researchers find it might just be one of the most effective ways to knock out a very serious — and tough-to-kill — intestinal disease.
- Health & Medicine
Explainer: What is C. difficile?
Over the past two decades, these severe bacterial infections have evolved from a no-big-deal occurrence to a common, life-threatening problem.
