MS-LS4-6
Use mathematical representations to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time.
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Health & Medicine
Remdesivir is looking even better at fighting COVID-19
New studies suggest the drug remdesivir not only speeds recovery of COVID-19 patients in the hospital, but lowers their risk of death from the virus.
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Animals
Toxic germs on its skin make this newt deadly
Bacteria living on the skin of some rough-skinned newts make tetrodotoxin. This paralyzing poison is also found in pufferfish.
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Health & Medicine
How to find the next pandemic virus before it finds us
Wild animals carry viruses that can sicken people. Monitoring those viral hosts that pose the greatest risk might help prevent a new pandemic.
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Animals
Lots of frogs and salamanders have a secret glow
A widespread ability to glow in brilliant colors could make amphibians easier to track down in the wild.
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Environment
Decades-long project is linking our health to the environment
Started in 1959, this California study is one of the oldest ongoing research projects in the world.
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Genetics
What would it take to make a unicorn?
Onward’s dumpster-diving unicorns seem like an impossibility. But scientists have some ideas about how unicorns could become real.
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Health & Medicine
Search speeds up for vaccine against the new coronavirus
Scientists are investigating unusual ways to make drugs to prevent viral infections. One may even be able to treat already sick people.
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Animals
The many efforts to lick cat allergies
Up to one in five people around the world may be allergic to cats. Science is coming to help their desire for kitty cuddles.
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Health & Medicine
Your most urgent questions about the new coronavirus
Researchers have more questions than answers right now about 2019-nCoV. They’re racing to understand and stop the coronavirus and the health crisis it poses.
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Fossils
Small T. rex ‘cousins’ may actually have been growing teens
Dinosaurs once thought to be mini cousins of Tyrannosaurus rex may have been merely adolescent members of the famous species, a new study suggests.
By Sid Perkins -
Environment
Australian fires have imperiled up to 100 species
As massive wildfires consume huge swaths of Australia’s bush, untold species — many of them found nowhere else — are now threatened with extinction.
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Life
Why some whales become giants and others are only big
Being big helps whales access more food. But just how big a whale can get is influenced by whether it hunts or filter-feeds.