Archaeology
Ötzi the Iceman Gets a New Look from Genetic Analysis
Improved DNA analysis has updated thinking on the skin color, ancestry, and more of the alpine mummy known as Ötzi the Iceman
Stories by Freda Kreier
Animals
What Chernobyl’s Stray Dogs Could Teach Us about Radiation
A multiyear project studying stray dogs around Chernobyl aims to uncover the health effects of chronic radiation exposure
Genetics
Dads Have Been Older than Moms since the Dawn of Humanity, Study Suggests
Using modern human DNA to estimate when new generations were born over 250,000 years, scientists suggest that fathers have been having children later in life than mothers throughout human history...
Genetics
Ancient Americans Crossed Back into Siberia in a Two-Way Migration, New Evidence Shows
Scientists have long known that ancient people living in Siberia made their way into what is now North America. Mounting DNA evidence suggests migration also happened in the opposite direction...
Genetics
DNA from Extinct Human Relative May Have Shaped Modern Papuans’ Immune System
DNA from Denisovans, an extinct human species, that was found in the genomes of Indigenous Papuans may mold their immune system
Climate Change
Drones Bearing Parcels Deliver Big Carbon Savings
Last-mile delivery by a small drone takes much less energy per package than delivery by diesel truck
Climate Change
Record-Breaking Simulation Hints at How Climate Shaped Human Migration
The model suggests that a shift in weather patterns in southern Africa might have contributed to the rise of Homo sapiens
Public Health
Guinea Worm Disease Nears Eradication
Just 14 cases of the scourge that once infected millions of the world’s poorest people were reported last year. But infections in animals complicates efforts to stamp it out
Public Health
The First Billion COVID Vaccinations Have Been Given
It took just four months to reach this global milestone, and hitting the two-billion mark could happen even faster, say scientists
