Mineral sunscreen is notoriously difficult to work for deep skin, due to the white cast zinc oxide leaves behind. In effort ...

Roughly 41,000 years ago, Earth’s magnetic field weakened dramatically as the planet’s poles began to reverse — a natural but rare phenomenon known as a geomagnetic excursion. According to new ...

At 6-foot-4, he would stand out even today, and he certainly towered over the men and women of his era. The top hat he habitually wore in public made him taller still. You couldn’t miss him in a ...

Modeling Earth's atmosphere and magnetic field from 41,000 years ago suggests how Homo sapiens' sun-fighting strategy helped ...

A study suggests that Homo sapiens may have benefited from the use of ochre and tailored clothing during a period of increased UV light 41,000 years ago, during the Laschamps excursion.