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Fewer than 366 North Atlantic right whales are left on Earth
Fewer than 366 surviving North Atlantic right whales remain on Earth as extinction pressures mount on the critically endangered species, according to a new study. Climate change, vessel strikes,...
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Expert: Vaccine hoarding could make the pandemic last 7 more years
If wealthy nations keep hoarding COVID-19 vaccines, the pandemic could continue for years to come, says Gavin Yamey, a global health expert. Just 10 countries account for three quarters of the 191...
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Shot to the bladder could ‘teach’ body to fight urinary tract infections
A vaccine administered directly to the bladder clears the bacteria that cause urinary tract infections, a new study with mice shows. Anyone who has ever developed a urinary tract infection (UTI) knows...
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How ‘dismemory’ maintains the racial wealth gap
The first episode of a new podcast series presents a startling comparison: White households in Boston have a median net worth of about $247,000 dollars. The median net worth of a Black household there...
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Our bodies use less water than those of other primates
Among primates, humans evolved to be the low-flow model: Our bodies use 30% to 50% less water per day than those of our closest animal cousins, research finds. Our bodies are constantly losing water:...
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Effects of faster aging show up by midlife
For those whose bodies age more quickly than others, the cumulative effects show up as early as midlife, when signs of dementia and physical frailty begin to emerge, according to a study led by Duke...
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SARS-CoV-2 antibodies last days for some, decades for others
Antibodies against SARS-CoV-2 wane at different rates, lasting for days in some people, while remaining in others for decades, researchers have found. The new study shows that the severity of the...
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Soft dragonfly robot skims water to spot environmental problems
An electronics-free, entirely soft robot shaped like a dragonfly can skim across water and react to environmental conditions such as pH, temperature, or the presence of oil. The proof-of-principle...
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Racial wealth gap has roots in promises of land
The United States made two promises—and it kept one but not the other. The tale can help us understand the existing wealth gap between African Americans and white Americans. One of those promises, that...
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More activity doesn’t mean you burn more calories
Herman Pontzer has spent his career counting calories. Not because he’s watching his waistline, exactly. But because, as he sees it, “in the economics of life, calories are the currency.” Every minute,...
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School integration isn’t a panacea for Black students
Integrating American classroom has not produced all the benefits ascribed to it, report researchers. Integrating schools has long been a goal of many who seek to eradicate racial discrimination. But...
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For male baboons, being on top accelerates aging
Male baboons that climb to the top of the social ladder age more quickly than males with lower social standing, according to the new study. If a male’s social status drops, so does his estimated rate...
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Poop shows stressed out female baboons have shorter lives
Female baboons with high life-long levels of glucocorticoids, the hormones involved in the “fight or flight” response, have a greater risk of dying than those with lower levels, a study of their feces...
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T cells may reveal why women get severe COVID less than men
New research may reveal why women get severe COVID-19 at about half the rate as men. Women have more of a certain type of immune cell that fights infections in mucosal tissue, and these immune cells...
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Lemurs that aren’t picky eaters may survive forest loss
A flexible diet may help leaf-eating lemurs resist deforestation, researchers report. A new study sequencing the genome of four species of sifakas, a genus of lemurs found only in Madagascar’s forests,...
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App can detect autism sign in toddlers
A new app successfully detects one of the telltale characteristics of autism in toddlers. The technology could one day become an inexpensive and scalable early screening tool, the research suggests....
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Rice-sized baby mantis shrimp throw a powerful punch
Even when they are smaller than a short grain of rice, larvae of the Philippine mantis shrimp display ultra-fast movements, according to a new study. Their ultra-fast punching appendages measure less...
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Air pollution exposure as a kid may up risk of mental illness later
A multidecade study of young adults living in the United Kingdom has found higher rates of mental illness symptoms among those exposed to higher levels of traffic-related air pollutants, particularly...
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Viral or bacterial infection? New test can tell quickly
New testing technology can accurately distinguish between a viral and a bacterial infection for respiratory illness, according to a new study proving feasibility. The critical difference determines...
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Did a new coronavirus go from dog to human?
Researchers have discovered a new coronavirus, in a child with pneumonia in Malaysia in 2018, that appears to have jumped from dog to human. If confirmed as a pathogen, the novel canine-like...
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