Indigenous Americans ruled democratically long before the U.S. did

On sunny summer days, powerboats pulling water-skiers zip across Georgia’s Lake Oconee, a reservoir located about an hour-and-a-half drive east of Atlanta. For those without a need for speed, fishing…

What you need to know about the new omicron booster shots

Revamped COVID-19 vaccines are poised to do battle with the super-contagious omicron variant. On September 1, U.S. health officials greenlit the first major update of the mRNA-based shots, reformulated to…

Who has the highest risk of long COVID? It’s complicated

For millions of people, COVID-19 doesn’t end with a negative test. Weeks or months after traces of the virus disappear from noses and throats, symptoms can persist or come back.…

The curious case of the 471-day coronavirus infection

As omicron subvariant BA.5 continues to drive the coronavirus’ spread in the United States, I’ve been thinking about what could come next. Omicron and its offshoots have been topping the…

‘The Five-Million-Year Odyssey’ reveals how migration shaped humankind

The Five-Million-Year OdysseyPeter BellwoodPrinceton Univ., $29.95 Archaeologist Peter Bellwood’s academic odyssey wended from England to teaching posts halfway around the world, first in New Zealand and then in Australia. For…

7-million-year-old limb fossils may be from the earliest known hominid

In 2001, researchers unearthed a partial fossil leg bone and two forearm bones in the central African nation of Chad. Those fossils come from the earliest known hominid, which lived…

50 years ago, genes eluded electron microscopes

Visualizing Genes: The Possible Dream – Science News, September 2, 1972 Molecular biologists can now visualize the larger structures of the cell, such as the nucleus and chromosomes, under the powerful…

Sleep deprivation may make people less generous

Lack of sleep has been linked to heart disease, poor mood and loneliness (SN: 11/15/16). Being tired could also make us less generous, researchers report August 23 in PLOS Biology.…

The new CDC guidelines may make back-to-school harder

Across the United States, kids are prepping for back-to-school, or are already in classrooms, and parents are buckling up for another pandemic school year. Like me, many are trying to…

‘The Five-Million-Year Odyssey’ reveals how migration shaped humankind

The Five-Million-Year OdysseyPeter BellwoodPrinceton Univ., $29.95 Archaeologist Peter Bellwood’s academic odyssey wended from England to teaching posts halfway around the world, first in New Zealand and then in Australia. For…