Rich nations at UN climate talks are said to be edging towards a compromise on the thorny issue of loss and damage. —> Read More
Of all the strange things people think they’ve seen in images of Mars — from crab monsters to pyramids — this might be the oddest one yet: a spoon that appears to be hovering just above the surface of the Red Planet.
But though it certainly looks spoon-like, it is, of course, not a spoon. It’s not actually floating, either, for that matter.
NASA says the unique — and very familiar — form is likely a ventifact, or a rock that’s been shaped by wind. (The space agency has a presentation explaining how ventifacts are formed, along with some examples of them here on Earth as well as on Mars.)
But at least one person on Twitter has another explanation for the Martian utensil:
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Using an inexpensive drug for every hip or knee replacement since 2013 has helped St. Michael’s Hospital reduce its number of red blood cell transfusions performed during these surgeries by more than 40 percent without negatively affecting patients, according to new research. —> Read More
Russian weather scientists in a remote Arctic area are surrounded by five hungry polar bears and essentially trapped inside their research station, according to the World Wildlife Fund.
“Yesterday we came out and a bear was near the house,” one meteorologist said, according to Siberian Times. “Three times our engineer fired a small flare pistol and the bear was not even scared. We managed to scare it off with a flare, but not far.”
“They sleep near the houses. Two of them walk together,” the meteorologist said. “They are aggressive. Recently they fought together near our house.”
The team is armed only with flares and rubber bullets, according to WWF.
“This is an emergency,” District Governor Igor Koshin told RIA Novosti, the state-run news agency. He said he would be sending help, but added the bears would not be killed.
The scientists have been trapped since last week in the small research station, which has no fencing:
Russian officials say the bears are drawn to residential places because, with no trash pickup in those remote areas, there’s usually a pile of garbage to ransack.
“This is especially true of garbage with food remains,” Koshin told RIA.
Last year, a bear was relocated nearly 25 miles from an —> Read More
Research has found a viral product that promotes a strong immune response against respiratory syncytial virus, a threat to infants and the elderly. —> Read More
A new method of measuring the distances between stars enables astronomers to climb the ‘cosmic ladder’ and understand the processes at work in the outer reaches of the galaxy. —> Read More
The deep, dark ocean waters surrounding Hawaii are, in fact, a colorful and vibrant world of coral, fish and other bizarre creatures.
Last month, a team of scientists with the National Oceanic and Atmospheric Administration set out on a 69-day expedition called “Hohonu Moana” (“Deep Ocean,” in the Hawaiian language). Their goal? To investigate some of the Hawaiian archipelago’s most remote and unexplored waters.
The photos and videos they’ve captured thus far are nothing short of magnificent.
Using remotely operated vehicles launched from NOAA’s 224-foot Okeanos Explorer ship, the operation crew is exploring the waters in and around the Papahānaumokuākea Marine National Monument in the Northwestern Hawaiian Islands. They’re also investigating Johnston Atoll in the Pacific Remote Islands Marine National Monument, as well as the Hawaiian Islands Humpback Whale National Marine Sanctuary.
“These areas represent some of the last relatively pristine marine ecosystems on the planet,” said Holly Bamford, assistant NOAA administrator for the National Ocean Service, in a July statement.
Best of all, NOAA is live-streaming its exploration through the end of September, allowing the public to join in on the fun miles below the surface.
On Thursday, the research team wrapped up the third of four mission legs with a dive around the USS S-19, a decommissioned Navy submarine that was sunk off the coast of Hawaii in 1938. As the remotely operated vehicle cruised around the coral-covered sub, one scientist asked the cameraman to zoom in on a bright red-and-orange fish in the sea toad family that was resting on the hull.
“Fish love their history,” someone joked. “They really appreciate it.”
After some discussion of the animal’s awkward features — including its fuzzy nose and apparently “poor hygiene” — someone else said, “He’s got an —> Read More
Adults who lack basic science and maths skills risk being “bamboozled” and making bad decisions, according to a leading scientist. —> Read More
On the morning of May 30, 1832, a single shot fired in a duel fatally wounded one of the most brilliant, and certainly the most romantic mathematician — Évariste Galois. The following day, his last words to his weeping brother were: “Don’t cry, I need all my courage to die at twenty.” Figure 1 shows Galois at about age 15, as drawn by a classmate.
Figure 1. Galois in about 1826, drawn by a classmate. This image is in the public domain. It was possessed by Nathalie-Théodore Chantelot, his older sister, and her daughter Mrs. Guinard. The image was released by Paul Dupuy, École Normale Supérieure professor of history, with his article “La vie d’Évariste Galois,” in 1896.
This young genius achieved nothing less than inventing the mathematical language that describes all the symmetries of the world. Whether one analyzes symmetries of shapes, in music, or in particle physics, the same formalism — Group Theory — applies.
What is a mathematical “group”? Take as an example the whole numbers, positive, negative and zero, and the simple operation of arithmetic addition. You’ll notice the following properties:
- When you add two whole numbers, you get another whole number. For example, 3 + 6 = 9; -7 + 15 = 8.
- If you add three whole numbers, it doesn’t matter how you group them. For example, (9 + 3) + 5 = 9 + (3 + 5).
- There exists one whole number that when you add it to any other whole number, it leaves the latter unchanged. This is, of course, the number zero. For instance, 13 + 0 = 13.
- For every whole number, there exists another whole number such, that if you add then together you get zero. For example: 8 + (-8) = 0; (-17) + 17 = 0.
Any collection of objects —> Read More
Gaydar ISN’T real: Scientists slam the phrase as ‘stereotyping’ and say its use could lead to aggression
Researchers at the University of Wisconsin-Madison say that previous research on stating the validity of gaydar was based on poor evidence. —> Read More