World’s oldest DNA sheds light on mammoth evolution

A mammoth tooth uncovered from the Siberian permafrost yields the oldest DNA yet discovered and provides insight into the evolution of the giant beasts. Source: https://earthsky.org/earth/worlds-oldest-dna-mammoth-evolution-video…

Mars atmosphere shedding charged particles onto Phobos?

New research suggests that particles escaping from Mars’ atmosphere have been accumulating on the surface of the planet’s largest moon Phobos for billions of years. They could provide important new details about the history of both worlds. Source: https://earthsky.org/space/mars-atmosphere-history-phobos-soil…

Synchronic review: A genuinely hair-raising time travel thriller

Anthony Mackie and Jamie Dornan star in Synchronic, a thrilling film about a strange drug that sends you back in time Source: https://www.newscientist.com/article/2267046-synchronic-review-a-genuinely-hair-raising-time-travel-thriller/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…

A New Lens Technology Is Primed To Jump-Start Phone Cameras

An anonymous reader quotes a report from Wired: A new company called Metalenz, which emerges from stealth mode today, is looking to disrupt smartphone cameras with a single, flat lens system that utilizes a technology called optical metasurfaces. A camera built around this new lens tech can produce an image of the same if not better quality as traditional lenses, collect…

What is the Sickle in Leo?

The Sickle in Leo is an easy-to-spot backward question mark shape made of stars that marks the head and shoulders of the constellation of the lion. The moon sometimes passes in front of the Sickle’s brightest star, Regulus. Source: https://earthsky.org/favorite-star-patterns/the-sickle-backward-question-mark-pattern-in-leo…

The Highest Resolution Photos Ever Taken of Snowflakes

Photographer and scientist Nathan Myhrvold has developed a camera that captures snowflakes at a microscopic level never seen before. Smithsonian Magazine reports: Myhrvold, who holds a PhD in theoretical mathematics and physics from Princeton University and served as the Chief Technology Officer at Microsoft for 14 years, leaned on his background as a scientist to create the camera. He also tapped…

Extreme black holes have hair that can be combed

Black holes are considered amongst the most mysterious objects in the universe. Part of their intrigue arises from the fact that they are actually among the simplest solutions to Einstein’s field equations of general relativity. In fact, black holes can be fully characterized by only three physical quantities: their mass, spin and charge. Since they have no additional “hairy” attributes to…

Final Episode Aired For American Quiz Show Host Alex Trebek

“More than two months after Alex Trebek’s death, fans of Jeopardy! finally got the chance to say goodbye,” reports CBS News:
A video tribute to the host closed Friday’s episode of the quiz show, the final one that Trebek taped before pancreatic cancer claimed his life on November 8. The 90-second montage, set to Hugh Jackman singing the Peter Allen song “Once…