Tag: science news

50,000-year-old magnetic fossils found in the Bay of Bengal

March 26, 2024 admin

Needle, spindle, bullet and spearhead shape-magnetofossils. | Photo Credit: Kadam, N et al/Nature In the depths of the Bay of Bengal, scientists have discovered a 50,000-year-old sediment — a giant magnetofossil and one of the youngest to be found yet. What are magentofossils? Magnetofossils are the fossilised remains of magnetic particles created by magnetotactic bacteria, also…

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Goa scientists find 50,000-year-old magnetic fossils in Bay of Bengal

March 26, 2024 admin

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Why did menopause evolve? New study of whales gives some clues

March 15, 2024 admin

Three killer whales surface through a breathing hole in the ice of Hudson Bay near the community of Inukjuak, Quebec January 9, 2013. | Photo Credit: Reuters Menopause is a rare trait among Earth’s species, known to exist in only a few. Humans are one. Killer whales and four other toothed whales are the others….

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SpaceX Starship disintegrates after completing most of third test flight

March 15, 2024 admin

SpaceX’s next-generation Starship spacecraft atop its powerful Super Heavy rocket lifts off on its third launch from the company’s Boca Chica launchpad on an uncrewed test flight, near Brownsville, Texas, U.S. March 14, 2024. | Photo Credit: Reuters SpaceX’s Starship rocket, designed to eventually send astronauts to the moon and beyond, completed nearly an entire…

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Why spacesuits need a major upgrade for the next phase of exploration

March 13, 2024 admin

Axiom Space chief engineer Jim Stein demonstrates a prototype spacesuit, Wednesday, March 15, 2023, in Houston. NASA selected Axiom Space to design the spacesuits that its moonwalking astronauts will wear when they step onto the lunar surface later this decade. | Photo Credit: AP Humans have long dreamed of setting foot on the Moon and…

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Could tardigrades have colonised the Moon?

March 12, 2024 admin

Just over five years ago, on 22 February 2019, an unmanned space probe was placed in orbit around the Moon. Named Beresheet and built by SpaceIL and Israel Aerospace Industries, it was intended to be the first private spacecraft to perform a soft landing. Among the probe’s payload were tardigrades, renowed for their ability to survive…

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What is a GPU? An expert explains the chips powering the AI boom, and why they’re worth trillions

March 12, 2024 admin

As the world rushes to make use of the latest wave of AI technologies, one piece of high-tech hardware has become a surprisingly hot commodity: the graphics processing unit, or GPU. A top-of-the-line GPU can sell for tens of thousands of dollars, and leading manufacturer NVIDIA has seen its market valuation soar past US$2 trillion as demand for…

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How a wandering white shark’s epic journey could provide clues for protecting them

March 12, 2024 admin

In this photo provided by Chip Michalove, LeeBeth, a white shark, is tagged on Dec. 8, 2023, off Hilton Head Island, S.C. Scientists say the animal has been tracked further into the Gulf of Mexico than any white shark they’ve ever tagged before. | Photo Credit: AP As sharks go, LeeBeth is something like a…

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Study of polyglots offers insight on brain’s language processing

March 12, 2024 admin

In a new study involving a group of polyglots, the brain activity of the participants was monitored using a method called functional magnetic resonance imaging as they listened to passages read in various languages. Image for Representation. | Photo Credit: Getty Images/iStockphoto While most people speak only one language or perhaps two, some are proficient…

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Going to Mars? Speak to a psychologist first

March 9, 2024 admin

Because these communications travel at the speed of light and can’t go any faster, experts are coming up with ways to improve communication efficiency under time-delayed conditions. Source link

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