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Sandbars forming at mouth of recovering Elwha River in Washington

The removal of the Elwha Dam unleashes sediment that could restore the profile of the marine shoreline.
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Geology
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What do aliens look like? The clue is in evolution

What do aliens look like? The clue is in evolution | Geology | Scoop.it
It may make sense for intelligent aliens to have two eyes and ears on one head, and to walk upright. But other particulars – including their colour – are more open to speculation.
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Oldest jewellery in East Asia is crafted 37,000-year-old shell

Oldest jewellery in East Asia is crafted 37,000-year-old shell | Geology | Scoop.it
Ancient artefacts in an East Timor cave reveal that early human settlers here were more advanced than thought, fishing the deep sea and making ornaments
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First Americans must have arrived by sea, not via Alaska

First Americans must have arrived by sea, not via Alaska | Geology | Scoop.it
A study of prehistoric DNA has challenged the established theory that says people first reached the Americas via a land bridge in the Arctic
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New Research From NASA Suggests Venus May Have Been Habitable

New Research From NASA Suggests Venus May Have Been Habitable | Geology | Scoop.it
New research from NASA suggests that Venus may have had a shallow liquid-water ocean and habitable surface temperatures for up to 2 billion years of its early history.
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Without oxygen from ancient moss you wouldn’t be alive today

Without oxygen from ancient moss you wouldn’t be alive today | Geology | Scoop.it
The earliest terrestrial plants, such as moss, made a surprising contribution to the levels of oxygen in the atmosphere some 400 million years ago
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Warwick Raverty's curator insight, August 17, 9:27 PM
Not sure why the photo shows a lichen that is taxonomically quite unrelated to mosses!
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Evolutionary forces are causing a boom in bad science

Evolutionary forces are causing a boom in bad science | Geology | Scoop.it
Evolutionary analysis suggests that the way researchers are rewarded, and the competitive environment they work in, are pushing them to do worse research
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What’s Inside Ceres? New Research Suggests That Ceres Has a Weak Interior

What’s Inside Ceres? New Research Suggests That Ceres Has a Weak Interior | Geology | Scoop.it
New research reveals that Ceres has a weak interior, and that water and other light materials partially separated from rock during a heating phase early in its history.
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Fossil tumour is oldest evidence of human cancer discovered yet

Fossil tumour is oldest evidence of human cancer discovered yet | Geology | Scoop.it
A 1.7 million year-old ancient human foot bone found in South Africa shows signs of osteosarcoma, an aggressive form of bone cancer
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Universal ancestor of all life on Earth was only half alive

Universal ancestor of all life on Earth was only half alive | Geology | Scoop.it
The identification of genes likely to belong to the common ancestor of life suggests its biochemistry was incomplete, forcing it to cling to undersea vents
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Researchers Investigate the Lack of Large Impact Craters on Ceres

Researchers Investigate the Lack of Large Impact Craters on Ceres | Geology | Scoop.it
Ceres' lack of giant impact basins presents a puzzle to scientists. They expected to observe more large craters on the dwarf planet than have been found by NASA's Dawn mission.
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Mars Reconnaissance Orbiter Reveals Frosted Dunes on Mars

Mars Reconnaissance Orbiter Reveals Frosted Dunes on Mars | Geology | Scoop.it
NASA’s Mars Reconnaissance Orbiter captured this image of sand dunes on Mars. Sand dunes cover much of this terrain, which has large boulders lying on flat areas between the dunes.
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Alien Star System Mirrors Earth's 4 Billion Years Ago --"A Milestone Revealing Rich Organics Needed for Life"

Alien Star System Mirrors Earth's 4 Billion Years Ago --"A Milestone Revealing Rich Organics Needed for Life" | Geology | Scoop.it
The protoplanetary disc around the young star TW Hydrae is the closest known example to Earth, at a distance of only about 170 light-years, closely resembling what astronomers think the Solar System looked like during its formation more than four...
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Ancient enzyme resurrected from the ancestor of all bacteria

Ancient enzyme resurrected from the ancestor of all bacteria | Geology | Scoop.it
The reconstruction of an enzyme used by bacteria thought to have lived in a hot spring 3.4 billion years ago tells us they became complex earlier than thought
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The study of ‘fossilized’ lightning

The study of ‘fossilized’ lightning | Geology | Scoop.it
From the UNIVERSITY OF SOUTH FLORIDA (USF INNOVATION) Study provides a new method to measure the energy of a lightning strike By investigating 'fossilized' sand cylinders made by lightning strikes, sometimes thousands of years old, a University of...
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Abundant Oxygen Measured in a 12-Billion-Year-Old Galaxy

Abundant Oxygen Measured in a 12-Billion-Year-Old Galaxy | Geology | Scoop.it
UCLA astronomers have made the first accurate measurement of the abundance of oxygen in a distant galaxy. Oxygen, the third-most abundant chemical element in the universe, is created inside stars and released into interstellar gas when stars die.
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Canadian meteorite may be first visitor from the Kuiper belt

Canadian meteorite may be first visitor from the Kuiper belt | Geology | Scoop.it
Most meteorites come from the asteroid belt between Mars and Jupiter, but an extraterrestrial visitor that landed in 2000 may hail from further afield
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Venus could have been habitable while life evolved on Earth

Venus could have been habitable while life evolved on Earth | Geology | Scoop.it
Turning back the clock on Venus with computer simulations suggests it might have once looked like early Earth and even been hospitable to life
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Sedimentology provides first evidence of legendary flood marking China’s origin

Sedimentology provides first evidence of legendary flood marking China’s origin | Geology | Scoop.it
The ancient Chinese legend passed down through generations could be based on a catastrophic Yellow river flood that we now know happened 4000 years ago
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The Last Time Our Sun Was In This Exact Spot In Its 226-Million-Year Milky-Way Orbit, Dinosaurs Ruled Earth

The Last Time Our Sun Was In This Exact Spot In Its 226-Million-Year Milky-Way Orbit, Dinosaurs Ruled Earth | Geology | Scoop.it
In 1999 astronomers focusing on a star at the center of the Milky Way, measured precisely how long it takes the sun to complete one orbit (a galactic year) of our home galaxy: 226 million years.
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Cassini Flyby of Saturn's Titan Reveals Strikingly Earth-like Features

Cassini Flyby of Saturn's Titan Reveals Strikingly Earth-like Features | Geology | Scoop.it
"Earth is warm and rocky, with rivers of water, while Titan is cold and icy, with rivers of methane.
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A Warm Period by Any Other Name – The Climatic Optimum

A Warm Period by Any Other Name – The Climatic Optimum | Geology | Scoop.it
Hypsithermal, Altithermal, Holocene Optimum, Holocene Thermal Maximum, Holocene Megathermal, Anthropogene; Guest opinion: Dr.
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Unearthed bones bring Philistines to life

Unearthed bones bring Philistines to life | Geology | Scoop.it
Hard-earned breakthrough for Harvard-backed team | A Harvard-backed expedition working in Israel has carried out the first-ever excavation of a Philistine cemetery.
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Surprise: natural methane seeps created ‘lost city’ in Greece that isn’t

Surprise: natural methane seeps created ‘lost city’ in Greece that isn’t | Geology | Scoop.it
From the University of Athens and East Anglia and the “methane time bomb” department comes this surprising finding that takes all the fun out of snorkeling for a whole bunch of people.
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CO2 injected deep underground turns to rock – and stays there

CO2 injected deep underground turns to rock – and stays there | Geology | Scoop.it
Carbon dioxide rapidly turns into solid carbonates when injected into basalt rocks. Done on a massive scale it could help limit climate change
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Spongy minerals could explain why Mars gives off methane burps

Spongy minerals could explain why Mars gives off methane burps | Geology | Scoop.it
Zeolites – volcanic minerals that easily trap and release gases – could be responsible for the burps of methane that occasionally come from the Red Planet
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