Category Archives: Earth Sciences

This crazy spinning ice disc just appeared in a Michigan river

…A team led by Stéphane Dorbolo from the University of Liége in Belgium decided to get to the bottom of these crazy things once and for all.Using some cameras, a nickel bead, a magnet, and Petri dish popsicles, the researchers … Continue reading

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Earth’s driest desert once had lakes

The driest desert on Earth may once have had lakes and wetlands, scientists report. They have found the remnants of freshwater plants and animals buried in the arid plains of Chile’s Atacama Desert. This watery period dates to between 9,000 … Continue reading

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How the 2011 Japan Tsunami Spread Across the Pacific Ocean

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Giant snowballs appear on Russian beach in Siberia

A strange and beautiful sight greeted locals in the Gulf of Ob, in northwest Siberia, after thousands of natural snowballs formed on the beach. An 11-mile (18km) stretch of coast was covered in the icy spheres. The sculptural shapes range … Continue reading

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We might finally know the weird reason Earth experiences an ice age every 100,000 years

Earth is in a pretty unique state of climate change at the moment, but for the past 1 million years, almost like clockwork, our planet has moved in and out of an ice age every 100,000 years. The only problem … Continue reading

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The Autumn Equinox Is Almost Here

As the midday sun begins to sink lower and nights get noticeably longer, it can only mean the reign of summer is coming to an end for the northern half of the world. The autumn equinox arrives at 10:21 a.m. … Continue reading

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How do trees communicate?

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Earth Temperature Timeline

Earth Temperature Timeline

Source – xkcd

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Biochronology

In paleontology, biochronology is the correlation in time of biological events using fossils. In its strict sense, it refers to the use of assemblages of fossils that are not tied to stratigraphic sections (in contrast to biostratigraphy, where they are). … Continue reading

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Stunning drone footage of Uluru

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Everest Isn’t the Tallest Mountain

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New evidence suggests our understanding of how Earth’s mantle moves is wrong

You might think geologists have a pretty good idea about the inner workings of the Earth’s mantle – that hot, rocky region between the crust and the core that makes up 84 percent of the total volume of our planet. … Continue reading

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Scientists have found a mysterious boiling river straight out of Amazonian legend

For centuries, Peruvian locals have talked about a river in the Amazon that burns so hot it can kill. According to legend, Spanish conquistadors foolishly ventured into the rainforest in search of gold, and the few men that returned told … Continue reading

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The Moon’s phases really do impact rainfall on Earth, study finds

We know that the Moon plays a significant role in our lives on Earth, from lighting up the night sky to setting the times of the ocean’s tides. But a new study suggests that our favourite cratered satellite also influences … Continue reading

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Big Obsidian Flow

lava flow

The rocky area at the center of this image is the Big Obsidian Lava Flow, the youngest lava flow in the state of Oregon. The lava flow slowly oozed out of a vent in the Newberry Caldera structure during an … Continue reading

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Changing environments

grand canyon

These very different rocks stacked atop each other in the Grand Canyon bear witness to a change in climate some 260 million years ago as the supercontinent Pangaea had more or less finished welding together and brought a drier continental … Continue reading

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Hvitserkur sea stack

Hvitserkur_sea_stack,_Iceland

Once 15 m Hvítserkur was the plug of a volcano. However, with time the violent sea eroded its flanks leaving only a small monolith. According to Icelandic legend on the other hand, Hvítserkur was a troll who forgot to retreat … Continue reading

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Ancient rocks record first evidence for photosynthesis that made oxygen

A new study shows that iron-bearing rocks that formed at the ocean floor 3.2 billion years ago carry unmistakable evidence of oxygen. The only logical source for that oxygen is the earliest known example of photosynthesis by living organisms, say … Continue reading

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A witness to history

tree

A tree over two thousand five hundred years old sits on an island in the Field of Runnymede, in England’s county of Berkshire. While the Druids may have worshipped there (the yew is their traditional tree of death, representing the … Continue reading

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Origins of Volcanic Island Chains

University of California, Berkeley, seismologists have produced for the first time a sharp, three-dimensional scan of Earth’s interior that conclusively connects plumes of hot rock rising through the mantle with surface hotspots that generate volcanic island chains like Hawaii, Samoa … Continue reading

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