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NASA's Perseverance rover collects two samples of Martian regolith

Google Science Feeds - Wed, 12/07/2022 - 21:28
Two holes are left in the Martian surface after NASA's Perseverance rover used a specialized drill bit to collect the mission's first samples of regolith on Dec. 2 and 6, 2022. Credit: NASA/JPL-Caltech. NASA's Perseverance rover snagged two new samples ...

Mammals were already poised to take over the world before the dino-killing asteroid struck

Google Science Feeds - Wed, 12/07/2022 - 21:15
Dinosaurs largely died off when a Manhattan-size asteroid slammed into Earth 66 million years ago. Meanwhile, in the shadows, tiny mammals had steadily picked up adaptations that helped them survive the disaster and thrive in its aftermath, a new study ...

NASA Ingenuity helicopter just broke one of its own records on Mars

Google Science Feeds - Wed, 12/07/2022 - 21:03
The little 4-pound (1.8-kilogram) chopper completed its 35th flight on December 3 and reached a new altitude record of 46 feet (14 meters). The aerial excursion lasted for 52 seconds ...

In Rare Find, Scientists Unearth Fossil of Large Marine Reptile With Both Head and Body

Google Science Feeds - Wed, 12/07/2022 - 20:48
A group of amateur fossil hunters in Australia have discovered the country's first elasmosaur—an ancient long-necked marine reptile—with its head still connected to its body. The animal is believed to be a juvenile around 100 million years old, ...

Construction of World's Largest Radio Telescope Begins

Google Science Feeds - Wed, 12/07/2022 - 20:48
Construction for the Square Kilometer Array (SKA), the world's largest radio telescope, began Monday. The telescope will consist of instruments on two continents: around 131,000 antennae will make up the SKA-Low telescope in Australia, while 197 dishes ...

100 million-year-old plesiosaur skeleton discovery 'could hold the key' to prehistoric research

Google Science Feeds - Wed, 12/07/2022 - 20:25
Espen Knutsen, senior curator of palaeontology at the Queensland Museum, likened the discovery to that of the Rosetta Stone -- the Ancient Egyptian block of granite rediscovered in 1799 that helped experts to decode hieroglyphics. " ...

Peekaboo! Strange tiny galaxy provides a glimpse into the universe's early history

Google Science Feeds - Wed, 12/07/2022 - 20:00
Astronomers have discovered that a strange dwarf galaxy hidden for years in our cosmic neighborhood looks like it belongs in the early universe, despite having formed more recently. The tiny galaxy measuring just 1,200 light ...

World Of Warcraft: Dragonflight Review In Progress - Who Says You Can't Go Home?

Game Spot Reviews - Wed, 12/07/2022 - 19:30

World of Warcraft: Dragonflight is about coming home, in more ways than one. It's a homecoming for the titular Dragonflights of Blizzard's long-running MMORPG, who return to their ancient ancestral home to pick up the pieces and rebuild after thousands of years away. It's also a homecoming for players, who after years of languishing in WoW's unpopular Shadowlands expansion, get to return to Azeroth and all the familiar sights and sounds it holds.

Dragonflight, in that regard, is incredibly nostalgic, but not in the way you might expect. Though it without a doubt features the return of fan-favorite characters, monsters, and even gameplay systems, it never feels beholden or shackled by them. Instead, it takes those familiar elements and breathes new life into them. Whether it's the return of talent trees reminiscent of those from the game's earliest expansions, the game's updated user interface, its lack of mandatory activities, or the feeling of adventure the new dragonriding system invokes, Dragonflight miraculously feels both fresh and familiar at the same time. Even if there are some aspects of Dragonflight that could be improved, I can't help but be impressed at how a handful of new ideas, along with major facelifts to some old ones, breathe new life into Blizzard's flagship title.

Dragons, as you might expect, are the star of this new expansion. Players ride new, highly customizable Dragon Isles Drakes. The majority of the main campaign's primary characters are dragons. There's even a new dragon race, the Dracthyr, that is only playable as the new dragon-themed spellcasting class, the Evoker. The Dragon Aspects Alexstrasza, Nozdormu, Wrathion, and Kalecgos all play key roles in the game's initial story campaign. To see them all front and center for the first real time since 2010's Cataclysm expansion is part of what makes Dragonflight feel so nostalgic, signaling a return to the high fantasy of Azeroth after nearly two years of the dark, dour, and death-themed settings and characters of Shadowlands.

Continue Reading at GameSpot

Using light to manipulate neuron excitability

Google Science Feeds - Wed, 12/07/2022 - 19:01
MIT and Harvard University researchers have devised a way to achieve long-term changes in neuron activity. With their new strategy, they can use light exposure to change the electrical capacitance of the neurons' membranes, which alters their excitability ...

Diversity helped mammals survive asteroid that killed the dinosaurs

Google Science Feeds - Wed, 12/07/2022 - 19:01
Drawing on more than 1600 fossils of various North American dinosaurs, fish, amphibians, reptiles, birds and mammals, the team created an estimation of the niches each extinct species occupied. For each species, the ...

World's Oldest DNA Discovered, Revealing Ancient Arctic Forest Full of Mastodons

Google Science Feeds - Wed, 12/07/2022 - 18:46
The oldest DNA ever recovered has revealed a remarkable two-million-year-old ecosystem in Greenland, including the presence of an unlikely explorer: the mastodon. The DNA, found locked in sediments in a region called Peary Land at the farthest northern ...

50 years since the last Apollo astronauts went to the moon, NASA is finally going back

Google Science Feeds - Wed, 12/07/2022 - 18:29
Fifty years ago, on December 7, 1972, a powerful Saturn V rocket blasted off carrying three astronauts, including Apollo 17 Commander Eugene Cernan, who wore those overshoes. He knew that his crew would ...

See Mars at opposition join the full moon in the sky tonight (Dec. 7)

Google Science Feeds - Wed, 12/07/2022 - 18:00
The Red Planet will rise in the east as the sun sets in the west and will appear larger and brighter over Earth throughout the night.

NASA's Perseverance Rover Gets the Dirt on Mars

Google Science Feeds - Wed, 12/07/2022 - 17:36
Two holes are left in the Martian surface after NASA's Perseverance rover used a specialized drill bit to collect the mission's first samples of regolith on Dec. 2 and 6, 2022. Credit: NASA/JPL-Caltech. Full Image Details.

U of M study shows new way to move objects with sound waves rather than physical touch

Google Science Feeds - Wed, 12/07/2022 - 17:21
A study published last month by University of Minnesota mechanical engineering researchers has the potential to make waves – ultrasonic waves, to be exact – in fields like surgery and manufacturing. U of M communications partners say the study shows a ...

Everything to Know About December's Cold Moon, the Last Full Moon of the Year

Google Science Feeds - Wed, 12/07/2022 - 17:04
Known as the lunar occultation of Mars, the full moon will briefly obscure the Red Planet in the night sky. Viewers will be able to see Mars approach the moon, pass behind it and come out on the other side.

Built to last: The perovskite solar cells tough enough to match mighty silicon

Google Science Feeds - Wed, 12/07/2022 - 16:46
Date: December 7, 2022; Source: ARC Centre of Excellence in Exciton Science; Summary: Researchers have demonstrated a new way to create stable perovskite solar cells, with fewer defects and the potential to finally rival silicon's durability. Share:.

Surprise kilonova upends established understanding of long gamma-ray bursts

Google Science Feeds - Wed, 12/07/2022 - 16:08
Led by Northwestern University, a team of astrophysicists has uncovered new evidence that at least some long GRBs can result from neutron star mergers, which were previously believed to produce only short GRBs. After detecting a ...

Ancient DNA shows what Greenland may have looked like 2 million years ago

Google Science Feeds - Wed, 12/07/2022 - 16:03
In a study published Wednesday in Nature, Willerslev and his colleagues genetically mapped 2-million-year-old DNA from Arctic sediments — now the world's oldest DNA to be identified. They discovered evidence of more ...

Oldest DNA on record - 2 million years - reveals Greenland's lost world

Google Science Feeds - Wed, 12/07/2022 - 16:03
WASHINGTON, Dec 7 (Reuters) - Scientists have identified DNA from animals, plants and microbes dating to about 2 million years ago - the oldest on record by far - from sediment at Greenland's northernmost point dug up around the mouth of an Arctic ...

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