HS-LS4-5
Evaluate the evidence supporting claims that changes in environmental conditions may result in: (1) increases in the number of individuals of some species, (2) the emergence of new species over time, and (3) the extinction of other species.
- Archaeology
Let’s learn about early humans
Homo sapiens are the last member left of our genus. But many other species of early humans existed before us.
- Chemistry
Early dinosaurs may have laid soft-shelled eggs
Scientists for the first time have turned up evidence of fossils from soft-shelled dinosaur eggs. This has scientists rethinking how dinosaur eggs evolved.
- Life
For teens, big problems may lead to meaningful research
Several teens who competed at the Regeneron Science Talent Search applied their STEM know-how to solve problems they or their communities faced.
- 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.
- Animals
Pesticides can have long-term impact on bumblebee learning
Pesticide-laced nectar and pollen can permanently harm the brains of baby bumblebees.
- Animals
Minecraft’s big bees don’t exist, but giant insects once did
Big bees buzz in Minecraft. In our world, blocky bees might starve and be stuck on the ground. Yet long ago, giant insects did roam our planet.
- Health & Medicine
COVID-19: When will it be safe to go out again?
No one yet knows when social distancing can end. Experts explain we need 'herd immunity,' which won't be easy and may come at a horrific cost.
- Animals
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.
- 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.
- Animals
Immune arms-race in bats may make their viruses deadly to people
An overactive immune system may help bats avoid being sickened by many viruses. This may viruses becoming stronger — and deadlier — when they hit other species.
- 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.
- Animals
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.
