Bug-killer linked to decline in birds

Science News For Kids - 13 hours 27 min ago
One of the most popular chemicals used to protect crops from bugs may also take a toll on birds, a Dutch study finds. U.S. farmers also rely on these insecticides, a second study finds.
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The Bahamas’ African roots

Science News For Kids - Mon, 2014-07-28 08:30
Ocean bacteria may have built the Bahama islands, fed by dust blown across the Atlantic from the Sahara Desert.
Categories: Science & Math News

The Bahamas' African roots

Science News For Kids - Mon, 2014-07-28 08:30
Ocean bacteria may have built the Bahama islands, fed by dust blown across the Atlantic from the Sahara Desert.
Categories: Science & Math News

High-altitude help from extinct ancestors

Science News For Kids - Fri, 2014-07-25 08:47
The Tibetan plateau is high in altitude but low in oxygen. An unusual version of one gene in Tibetans' DNA helps them survive this environment. And that gene appears to have been passed along from Denisovans, a Neandertal-like ancestor.
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Some Arctic dinos lived in herds

Science News For Kids - Thu, 2014-07-24 08:59
Fossil footprints retrieved from Alaska indicate that plant-eating duckbill dinos not only traveled as extended families but also spent their entire lives in the Arctic.
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Questions for Some Arctic dinos lived in herds

Science News For Kids - Thu, 2014-07-24 08:45
SCIENCEBefore reading1.    When you walk barefoot on the sand, you leave behind footprints. If someone saw only those footprints, what might they be able to learn about you?2.    What might you be able to learn about a dinosaur from its footprint?During reading1.    Give three examples of creatures that a vertebrate paleontologist might study.2.    What did the new study confirm about duckbill dinosaurs?3.    What other two creatures, besides the hadrosaurs, left footprints at the Denali site?4.    What are trace fossils?5.    What were the four age groups of dinosaurs that probably lived at the Denali site?6.    What is an ichnologist?
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Choosing shocks over contemplation

Science News For Kids - Wed, 2014-07-23 08:58
Some people think being alone is unpleasant. In one new study, some found choosing to get a painful shock helped them endure being alone for 15 minutes.
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Smooshed diamonds: A window into exoplanets?

Science News For Kids - Tue, 2014-07-22 08:30
Scientists have compressed diamonds more than ever before. Their carbon may give clues to what conditions might be like deep within planets way beyond our solar system.
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Newy dated footprints: Oldest human tracks?

Science News For Kids - Mon, 2014-07-21 09:01
These footprints, found nearly a half-century ago, may be almost four times older than first thought, scientists now report.
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Bugs may have made us brainy

Science News For Kids - Fri, 2014-07-18 08:55
Finding and eating bugs when other food was scarce helped primates — including our ancestors — evolve bigger and better brains. At least that’s the conclusion of a new study in Costa Rica.
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Young blood: The elixir of youth?

Science News For Kids - Thu, 2014-07-17 08:00
Old mice show improved memory when blood from young mice circulated through their brains, a new study finds. Other studies suggest one ingredient in that young blood might be all it takes to deliver benefits.
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The war on superbugs

Science News For Kids - Wed, 2014-07-16 09:01
Doctors and scientists are exploring ways to stem the growing global crisis of antibacterial resistance.
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Explainer: What you can do to fight antibiotic resistance

Science News For Kids - Wed, 2014-07-16 09:00
Doctors and scientists are not the only people who can help preserve the effectiveness of life-saving antibiotics. Even patients have a role to play, as these tips show.
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Questions for The war on superbugs

Science News For Kids - Wed, 2014-07-16 09:00
ScienceBefore reading 1.    With a partner, research the difference between bacteria and viruses.2.    Think of the last time you were ill with something other than a cold. What symptoms did you have? What kind of medicines were you given?During reading1.    How do microbes become resistant to antibiotics?2.    What is the leading cause of death among young adults, worldwide?3.    Some disease experts once thought that tuberculosis could be wiped out by 2025. Why is that now unlikely?4.    Why might a doctor prescribe an antibiotic for a patient that won’t be helped by it?5.    What did Daniella Meeker have doctors do that resulted in them reducing the number of antibiotics they prescribed?6.    What are hospitalists?7.    How can researchers find out what kind of antibiotics a TB germ might be resistant to?
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The HIV cure — that wasn’t

Science News For Kids - Tue, 2014-07-15 08:46
Immediate and aggressive drug treatment of a baby born with HIV appeared to have cured the girl. In fact, a follow-up shows, she still has the disease.
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Mega-bird!

Science News For Kids - Mon, 2014-07-14 10:03
What may have been the bird world’s biggest flier ever had wings so long, they would have had trouble flapping fast enough to keep it aloft in tough winds. But this behemoth would have been able to soar both far and fast.
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Your food choices affect Earth’s climate

Science News For Kids - Fri, 2014-07-11 09:01
Producing food can put a lot of climate-warming pollutants into the atmosphere. But some foods, especially meats, contribute more than others.
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Superbugs: A silent health emergency

Science News For Kids - Thu, 2014-07-10 08:57
Have antibiotics become too popular? Overusing these medicines fuels resistant germs that pose a global health threat.
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Explainer: Where antibiotics came from

Science News For Kids - Thu, 2014-07-10 08:57
A mold proved the source of the first known antibiotic: penicillin. But chemical dyes would lead to the first antibiotics used in treating people.
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Questions for Superbugs: A silent health emergency

Science News For Kids - Thu, 2014-07-10 08:56
SCIENCEBefore reading1.    What might cause people to get sick?2.    When you have been sick, what kinds of medicines have you been given? Have you ever been given an antibiotic? (Some antibiotics include penicillin, amoxicillin and erythromycin.)During reading1.    What is antibiotic resistance? Why are people worried about it?2.    How can antibiotic-resistant germs travel from people out into the environment?3.    Why is MRSA particularly nasty in hospitals and prisons?4.    Why shouldn’t a person infected with a virus be treated with an antibiotic?5.    What class of infectious germs causes most types of common cough?6.    Why do farmers give antibiotics to healthy animals?7.    Why would Kellogg Schwab call antibiotic use in healthy farm animals “a direct threat to human health”?8.    What is a plasmid?
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NSF logo This material is based upon work supported by the National Science Foundation under Grant No. DUE-0840824. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.