Scientists Use Ancient Genes to Estimate Contact Between Humans, Neanderthals

Scientists have used ancient genes to learn more details about contact between Neanderthals and humans tens of thousands of years ago. Results of two recent studies estimate the two groups likely met and began mating about 45,000 years ago. Modern humans, also known as Homo sapiens, began in Africa hundreds of thousands of years ago, and later started spreading to Europe, Asia, and other places.

02 Nov 2024,·6 mins mins

Researchers: Oldest Evidence of Lead Pollution Found in Greece

Ancient Greece produced the earliest records of democracy, and, scientists now say, lead pollution. That is the finding of a study that recently appeared in Communications, Earth, and Environment. The researchers studied sediment cores removed from mainland Greece and below the Aegean Sea.

31 Oct 2024,·4 mins mins

Meta Ends Third-party Fact-Checking, Adds ‘Community Notes’ System

Facebook parent company Meta recently announced changes to the way it tries to identify misinformation and harmful material published on its social media services. Meta chief Mark Zuckerberg explained in a video that the company had decided to make

28 Oct 2024,·6 mins mins

Scientists Find ‘Chorus Waves’ in Unexpected Part of Space

International researchers recently released a study on bursts of energy in an unexpected area of space. Scientists call the energetic activity chorus waves because they are said to move at the same frequency as sounds humans can hear. When the energy is turned into audio signals, the waves sound like birds chirping.

25 Oct 2024,·3 mins mins

Researchers: Female Family Ties Important to Social Networks

A recent study suggests that female family ties were central to social networks in ancient Celtic society before the Roman invasion. Genetic evidence from a late Iron Age cemetery in Britain shows that women were closely related.

23 Oct 2024,·4 mins mins

A Short History of Spacecraft Landings on the Moon

Many years have passed since the first spacecraft landed on the Moon in 1966. From then until now, there have been many additional attempts, with some succeeding and others failing. Here is a short history of some of these attempts.

16 Oct 2024,·5 mins mins

North America Prepares for 2024 Total Solar Eclipse

A total solar eclipse will take place in North America on April 8th. Millions of people will be able to fully experience the event, which is expected to darken the sky for more than four minutes.

14 Oct 2024,·6 mins mins

Researchers Hope to Bring Back American Chestnuts

Chestnuts roasting on an open fire Jack Frost nipping at your nose This classic song written by Bob Wells and Mel Torme in 1944 has long brought to mind the image of Christmas for generations of Americans.

10 Oct 2024,·5 mins mins

Study: Asteroid Hit Created Two ‘Grand Canyons’ on Moon

A new study suggests an asteroid strike on the Moon billions of years ago left two huge valleys about the size of Earth's Grand Canyon. Researchers from the United States and Britain said their research shows the two steep valleys

04 Oct 2024,·6 mins mins

AI Tools Drive Many New Products at the CES 2025 Electronics Show

At this year's CES show in Las Vegas, Nevada, crowds from around the world came to see the latest products built with artificial intelligence, AI. CES is produced by the Virginia-based Consumer Technology Association.

03 Oct 2024,·8 mins mins