Arctic hunter-gatherers were advanced ironworkers more than 2,000 years ago

Hunter-gatherers who lived more than 2,000 years ago near the top of the world appear to have run ironworking operations as advanced as those of farming societies far to the…

Neandertals were the first hominids to turn forest into grassland 125,000 years ago

Neandertals took Stone Age landscaping to a previously unrecognized level. Around 125,000 years ago, these close human relatives transformed a largely forested area bordering two central European lakes into a…

2021 research reinforced that mating across groups drove human evolution

Evidence that cross-continental Stone Age networking events powered human evolution ramped up in 2021. A long-standing argument that Homo sapiens originated in East Africa before moving elsewhere and replacing Eurasian…

Nudge theory’s popularity may block insights into improving society

Imagine removing a branch of the U.S. government, say the Supreme Court. What are the myriad ways that such an upheaval might reshape people’s lives? Policy makers and researchers probably…

A gene therapy for hemophilia boosts levels of a crucial clotting protein

A gene-based therapy is potentially a step closer to becoming a one-time treatment for men with hemophilia. The life-threatening genetic disorder hinders the body’s ability to form blood clots. In…

‘The Dawn of Everything’ rewrites 40,000 years of human history

The Dawn of EverythingDavid Graeber and David WengrowFarrar, Straus and Giroux, $35 Concerns abound about what’s gone wrong in modern societies. Many scholars explain growing gaps between the haves and…

The earliest evidence of tobacco use dates to over 12,000 years ago

Ancient North Americans started using tobacco around 12,500 to 12,000 years ago, roughly 9,000 years before the oldest indications that they smoked the plant in pipes, a new study finds.…

‘Ghost tracks’ suggest people came to the Americas earlier than once thought

Footprints left behind by prehistoric people may be some of the strongest evidence yet that humans arrived in the Americas earlier than previously thought.   Over 60 “ghost tracks” —…

School mask mandates in the U.S. reduced coronavirus transmission

The verdict is, once again, in: Masking in schools is effective. During the COVID-19 pandemic’s delta variant wave, schools that required masking had approximately one-fourth the rates of in-school coronavirus…

50 years ago, oxygen was touted as a potential memory loss treatment

Retaining older people’s memory — Science News, March 18, 1972 In spite of the age-old yearning for the Fountain of Youth, there is a marked lack of research toward retaining…