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Vesicles containing fragments of the organelles released from stressed adipocytes protect the heart against oxygen deprivation, a study in mice shows.

Research in mice suggests that moderating nerve activity with drugs or electrical pulses could modify tissue immune responses, curtailing the chronic pain often associated with inflammatory conditions.

Researchers discover that rattlesnakes change their rattling frequency when a perceived threat approaches—tricking humans into thinking the snake is closer than it really is.

The Scientist spoke to marine biologist Tim Lynch, who dusted off 25-year-old data from his PhD to figure out why olive sea snakes approach divers so often. He says the animals, especially the males, likely confuse people for potential mates.

RNA-DNA complexes that were modified with cholesterol made it into the brains of rats and mice, where they knocked down target genes.

Officials say it’s not yet clear whether this case is linked to an outbreak in Guinea earlier this summer.

CDC investigators continue to search for the source of the bacteria that caused four infections—two of them lethal—in four different states. The Scientist spoke with melioidosis expert Bart Currie about the disease.

Scientists added a gene circuit that senses and neutralizes proinflammatory ATP to yeast, taking another step towards precision medicine.

Synthetic biologists introduced an engineered microbe that may lead to new treatment options for phenylketonuria.

A device smaller than two stacked decks of cards can reliably detect and discriminate between SARS-CoV-2 variants in spit in less than an hour with results that glow.

Researchers found the relatively high proportion of DNA from a hominin cousin—nearly 5 percent—when they scanned more than 1,000 genomes from 118 distinct ethnic groups.

Spores found in 480 million-year-old rock bring the fossil record in line with molecular estimates of when plants first adapted to life on land.