HS-LS1-3
Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.
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Health & MedicineThird major vaccine shows great promise against COVID-19
This vaccine, which may be easier to get to the public, appears to be 90 percent effective at halting disease and maybe spread of the new coronavirus.
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Health & MedicineModerna vaccine for COVID-19 appears nearly 95 percent effective
A second coronavirus vaccine appears super effective in preventing people from being sickened by COVID-19.
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Health & MedicineNew Pfizer vaccine appears 90 percent effective against COVID-19
Preliminary finds show one of the new coronavirus vaccines appears 90 percent effective at reducing symptomatic COVID-19 infections.
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LifeOne hummingbird survives cold nights by nearly freezing stiff
To survive a freezing night, hummingbirds in the Andes mountains go very still, slow their heart rate and let their body temperature plummet.
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GeneticsGene editing can alter body fat and may fight diabetes
Researchers have long dreamed of using brown fat to fight obesity and diabetes. Work in animals shows they’re closing in on achieving that dream.
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MicrobesSome deep-seafloor microbes still alive after 100 million years!
Some starving microbes nap while awaiting their next meal. For some living miles below the ocean surface, that nap may exceed 100 million years.
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BrainPuberty may reboot the brain and behaviors
Facing adversity early in life can hurt how children learn to deal with stress. Puberty can sometimes offer a chance to reset how the body responds to stress, returning it to normal.
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Health & MedicineA Hong Kong man got the new coronavirus twice
His is the first confirmed case of reinfection with this virus. His second bout was detected by accident, because he showed no symptoms.
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Health & MedicineNew COVID-19 vaccines show promise in people
Early data from human trials show that several candidate COVID-19 vaccines produce virus-inactivating antibodies and immune cells that fight the virus.
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AnimalsWhy elephants and armadillos might easily get drunk
Stories of drunken elephants may not be a myth. Differences in a gene for breaking down alcohol could explain how they get tipsy.
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Health & MedicineHow 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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Health & MedicineAntibodies from former COVID-19 patients could become a medicine
The experimental treatment uses antibodies from the blood plasma of COVID-19 survivors. It may prevent disease in other people or help treat the sick.