An international team of researchers collaborating on a study of material from the Yucatán Peninsula's famous Chicxulub impact crater has finally matched the chemical signature of meteoritic dust within its rock with that of the geological boundary representing the dinosaur extinction event.
ScienceAlert
Dust From Asteroid That Ended Dinosaur Reign Closes Case on Impact Extinction Theory
Having dominated the planet's surface for hundreds of millions of years, dinosaur diversity came to a dramatic conclusion some 66 million years ago at the hot end of an asteroid impact with what is today Mexico's Yucatán Peninsula.
From its vantage point, high above the Martian skies, the TGO caught sight of Perseverance in the Jezero crater and acquired images that show the rover and other elements of its landing vehicle.
ScienceAlert
Can You Spot The Perseverance Rover in This Breathtaking Satellite Image of Mars?
A little over a week ago (18 February 2021), NASA's Perseverance rover landed in the Jezero crater on the surface of Mars.
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Researchers say that atmospheric oxygen is unlikely to be a permanent feature of habitable worlds in general, which has implications for our efforts to detect signs of life further out in the Universe.
ScienceAlert
Enjoy It While It Lasts: Dropping Oxygen Will Eventually Suffocate Most Life on Earth
For now life is flourishing on our oxygen-rich planet, but Earth wasn't always that way – and scientists have predicted that, in the future, the atmosphere will revert back to one that's rich in methane and low in oxygen.
Humans developed as hunters of large animals, causing their ultimate extinction. As they adapted to hunting small, swift prey animals, humans developed higher cognitive abilities, evidenced by the most obvious evolutionary change—the growth of brain volume from 650cc to 1,500cc. To date, no unifying explanation has been proposed for the major phenomena in human prehistory. The novel theory was published in Quaternary Journal.
phys.org
The human brain grew as a result of the extinction of large animals
A new paper by Dr. Miki Ben-Dor and Prof. Ran Barkai from the Jacob M. Alkow Department of Archaeology at Tel Aviv University proposes an original unifying explanation for the physiological, behavioral ...
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Update: SpaceX Successfully Landed Starship For The First Time - Before It Exploded
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Update: SpaceX Successfully Landed Starship For The First Time - Before It Exploded
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ScienceAlert
Update: SpaceX Successfully Landed Starship For The First Time - Before It Exploded
Earlier today, SpaceX successfully landed its SN10 Starship prototype in an upright position... before it blew up a few minutes later.
This list marks 20 years since we began compiling an annual selection of the year’s most important technologies. Some, such as mRNA vaccines, are already changing our lives, while others are still a few years off. Below, you’ll find a brief description along with a link to a feature article that probes each technology in detail.
MIT Technology Review
10 Breakthrough Technologies 2021
This list marks 20 years since we began compiling an annual selection of the year’s most important technologies.
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This Is a Piece of a Lost Protoplanet, And It's Officially Older Than Earth
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This Is a Piece of a Lost Protoplanet, And It's Officially Older Than Earth
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This Is a Piece of a Lost Protoplanet, And It's Officially Older Than Earth
A chunk of meteorite found in the desert sands of Algeria could be a piece of a baby planet that never made it.
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We Finally Know The True Age of The Huge, Mysterious Objects in Laos' Plain of Jars
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We Finally Know The True Age of The Huge, Mysterious Objects in Laos' Plain of Jars
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We Finally Know The True Age of The Huge, Mysterious Objects in Laos' Plain of Jars
In total, there are thousands of them – a giant landscape of strange, hollowed jars, carved from ancient stone. Some have lids. Most are open to the sky.
From incessant allergies to life-threatening anaphylaxis and debilitating autoimmune disease, the system that's supposed to be protecting us can be problematic when it goes wrong. Now, we might be closer to fixing these issues in an entirely new way.
ScienceAlert
Scientists Find a Natural Protein That Stops Allergies And Autoimmune Conditions
For the millions of us plagued by hypersensitive, overactive, or downright abusive immune systems, it can feel like you're constantly fighting your own physical self.
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Did Humans Once Wipe Out Neanderthals? Here's What We Know
After 400,000 years of roaming Europe and Asia, Neanderthals disappeared. Why this happened is a contentious topic amongst experts. It is possible that our ancestors may have directly or indirectly contributed to this extinction, but the extent of
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Giant Space Telescope Submerged Thousands of Feet Below World's Deepest Lake
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Giant Space Telescope Submerged Thousands of Feet Below World's Deepest Lake
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Giant Space Telescope Submerged Thousands of Feet Below World's Deepest Lake
Russian scientists on Saturday launched one of the world's biggest underwater space telescopes to peer deep into the Universe from the pristine waters of Lake Baikal.
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Microbes Unknown to Science Discovered on The International Space Station
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Microbes Unknown to Science Discovered on The International Space Station
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Microbes Unknown to Science Discovered on The International Space Station
The menagerie of bacterial and fungal species living among us is ever growing - and this is no exception in low-gravity environments, such as the International Space Station (ISS).
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Deadly Superbug Identified on Sandy Beach in Remote Tropical Archipelago
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Deadly Superbug Identified on Sandy Beach in Remote Tropical Archipelago
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Deadly Superbug Identified on Sandy Beach in Remote Tropical Archipelago
A deadly hospital superbug has been discovered on a remote island beach, marking the first time researchers have seen this multidrug-resistant organism in the "wild".
Science proved that good sleep at night is essential. So here's something to help you sleep better: https://youtu.be/L683zpBn930
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A Photographer Spent 12 Years Making This Milky Way Pic. It Will Crush Your Tiny Heart
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A Photographer Spent 12 Years Making This Milky Way Pic. It Will Crush Your Tiny Heart
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A Photographer Spent 12 Years Making This Milky Way Pic. It Will Crush Your Tiny Heart
Have you ever thought to yourself, "Gosh, I sure wish I could feel extremely small and awed right now"? Do we ever have the solution for you!
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Biofluorescent Fish Have Finally Been Spotted in Arctic Waters, And They're a Little Unusual
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Biofluorescent Fish Have Finally Been Spotted in Arctic Waters, And They're a Little Unusual
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ScienceAlert
Biofluorescent Fish Have Finally Been Spotted in Arctic Waters, And They're a Little Unusual
Life can get a little blue beneath the ocean's surface. Warmer colors quickly fade the deeper you go, leaving a meager palette of just a few short wavelengths to light up the landscape.
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Scientists Just Demonstrated How These 'Spiders' Might Form on Mars
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Scientists Just Demonstrated How These 'Spiders' Might Form on Mars
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ScienceAlert
Scientists Just Demonstrated How These 'Spiders' Might Form on Mars
We may not have detected life on Mars, but we have found 'spiders'... of a sort.
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The World's Oldest Known Wooden Statue Is Over 7,000 Years Older Than Stonehenge
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The World's Oldest Known Wooden Statue Is Over 7,000 Years Older Than Stonehenge
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The World's Oldest Known Wooden Statue Is Over 7,000 Years Older Than Stonehenge
The further back in time you go, the sparser the archaeological record grows. Many materials used by humans - wood, leather, fabric - simply don't last and are swallowed by Earth under the implacable march of time. The Shigir Idol, in that context