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Neanderthal genes make up 1-2% of the genomes of non-Africans. Scientists analyzed the lengths of regions of Neanderthal DNA in 58 ancient Eurasian genomes of early modern humans and determined that the introgressed genes result from interbreeding .. ...

Few genomes have been sequenced from early modern humans, who first arrived in Europe when the region was already inhabited by Neanderthals. An international team has now sequenced the oldest modern human genomes to date. The genomes were recovered . ...

A research team has developed an ultra-thin, flexible film that could power next-generation wearable devices using body heat, eliminating the need for batteries.

In a new study, scientists describe how different traits used to choose mates in barn swallow populations are driving the bird to diverge, which could eventually lead to the formation of new species.

A new study has mapped 35 years of river changes on a global scale. The work has revealed significant effects on both downstream (44% decrease in water flow) and upstream (17% flow increase) rivers, including flooding, ecosystem disruption, ...

Colony surveys of common murres, an Alaskan seabird, show the full effects of the 2014-16 marine heat wave known as 'the blob.' Analysis of 13 colonies surveyed between 2008 and 2022 finds that colony size in the Gulf of Alaska dropped by half after ...

Stars similar to the Sun produce a gigantic outburst of radiation on average about once every hundred years per star. Such superflares release more energy than a trillion hydrogen bombs and make all previously recorded solar flares pale in comparison ...

Researchers have uncovered in anglerfish a specialized motor neuron population for the first dorsal fin used for 'fishing'. When the first dorsal fin evolved from a swimming and buoyancy aid to a hunting tool, the motor neurons shifted their position ...

Scientists have a new method for studying faults that could improve earthquake forecasts, shedding light on where quakes start, how they spread, and where the biggest impacts might be.

Researchers show that early-onset colorectal cancer (CRC) incidence rates are rising in 27 of 50 countries/territories worldwide, 20 of which have either exclusive or faster increases for early-onset disease. In 14 countries, including the United ...