News
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ChemistryMoisture, not light, explains why Munch’s ‘The Scream’ is deteriorating
Edvard Munch’s 1910 “The Scream” is famous for its loud colors. New insight into paint preservation could keep those pigments from fading out.
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HumansMalaria parasites may have their own circadian rhythms
Plasmodium parasites don’t depend on a host for an internal clock, studies suggest.
By Jake Buehler -
EarthLong-dormant volcano Mauna Kea has been quietly grumbling for decades
Small, periodic earthquakes have happened every seven to 12 minutes for decades, but aren’t reason for alarm, a new study finds.
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AnthropologyAfrica’s biggest collection of ancient human footprints has been found
Preserved impressions in East Africa offer a glimpse of ancient human behavior.
By Bruce Bower -
NeuroscienceBlind people can ‘see’ letters traced directly onto their brains
Arrays of electrodes can trace shapes onto people’s brains, creating bursts of light that people can “see.”
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Health & MedicineHow fear and anger change our perception of coronavirus risk
Americans are weighing whether to return to society. Behavioral scientist Jennifer Lerner discusses how emotions drive those decisions.
By Sujata Gupta -
TechWiggling wheels could keep future rovers trucking in loose lunar soil
A rover that wriggles through soil could climb hills on the moon or Mars that are too steep for a simple wheeled bot.
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GeneticsNew hybrid embryos are the most thorough mixing of humans and mice yet
Human-mice chimeras may usher in a deeper understanding of how cells build bodies.
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HumansA gene variant partly explains why Peruvians are among the world’s shortest people
A gene variant reduces some Peruvians’ height by about 2 centimeters, on average, the biggest effect on stature found for a common variation in DNA.
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Health & MedicineThe new COVID-19 drug remdesivir is here. Now what?
Remdesivir may shorten recovery time for some people, but it isn’t available to everyone and it won’t end the pandemic on its own.
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Health & MedicineKids can develop severe complications from COVID-19 in rare cases
Respiratory failure has occurred in some infected children and an emerging inflammatory disease may be connected to the coronavirus.
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Health & MedicineLoss of smell and taste may actually be one of the clearest signs of COVID-19
Data from a symptom tracker smartphone app used by millions of people shows two-thirds of positive patients reported losing these senses.