Credit: Unsplash/CC0 Public Domain Scientists have completed the first comprehensive estimate of mountain lions in California, a vital statistic needed to shape puma-friendly land-use decisions and ensure that the predators can find room to roam, mate and find prey. The total number of mountain lions is estimated to be between 3,200 and 4,500, which is … Read more
Twist-PM for efficient SHG in the twisted rBN films with random thicknesses. (a) Schematics of a nonlinear optical crystal assembled by four pieces of the rBN films with different thicknesses of t1, t2, t3, t4, and a sequence of twist angles. (b) Twist-PM for efficient SHG. For the four rBN films with different thicknesses (800, 600, 400, … Read more
Credit: Pixabay/CC0 Public Domain NASA has onboarded another integral partner to its lunar plans by striking a deal with the United Arab Emirates to build part of its lunar Gateway space station and send one of the Arab country’s astronauts on a future Artemis mission. The deal with the Mohammed bin Rashid Space Center means … Read more
A person cleans his car from snow in Wajima in the Noto peninsula facing the Sea of Japan, northwest of Tokyo, Sunday, Jan. 7, 2024. Monday’s temblor decimated houses, twisted and scarred roads and scattered boats like toys in the waters, and prompted tsunami warnings. Credit: AP Photo/Hiro Komae Rescue teams worked through snow to … Read more
In this image made from NASA video, United Launch Alliance’s Vulcan rocket with Astrobotic Technology’s lander onboard is launched from Cape Canaveral Space Force Station in Florida, Monday, Jan 8, 2024. The first U.S. lunar lander in more than 50 years rocketed toward the moon Monday, launching private companies on a space race to make … Read more
Police officers remove the debris from a fire at a market in Wajima, Ishikawa prefecture, Japan Saturday, Jan. 6, 2024. A series of powerful quakes set off a large fire in the town of Wajima, as well as tsunamis and landslides in the region. Credit: Kyodo News via AP Aftershocks threatened to bury more homes … Read more
In this image provided by Coleman Fredricks, coal miners unearthed a mammoth tusk in May 2023 at the Freedom Mine near Beulah, N.D. The large scoop of an electric shovel dug the tusk out of the earth and dropped it into a truck, which later dumped the load, revealing the tusk. The North Dakota Geologic … Read more
Credit: Unsplash/CC0 Public Domain Over the last months, the raison d’être of winter sports has been threatened more than ever by a range of challenges and controversies. From the occupation by activists of the glacier of Girose, Southeastern France, to protest against plans for a new cable car, to doubts over whether to hold pre-season … Read more
A Petri dish transforms into a canvas in Ph.D. student Hadley Hanson’s painting of macrophages engulfing cancer cells. Credit: Hadley Hanson Scientists have solved a cellular murder mystery nearly 25 years after the case went cold. Following a trail of evidence from fruit flies to mice to humans revealed that cannibalistic cells likely cause a … Read more
Credit: Pixabay/CC0 Public Domain A paper published in Nature Communications Biology contributes to the growing appreciation for the outsize role that microbes play in everything from human digestion to crop yields: Microbes in the soil—fungi in this case—appear to be influencing forest diversity on a global scale. Forests on Earth exhibit a marked gradient from … Read more
