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Last month, Australian surfer Jade Fitzpatrick sustained three bite wounds to his thigh from a great white shark as he waited for a wave on his surfboard off the north coast of New South Wales.

As the Guardian newspaper reported, he was helped out of the water by a friend, received medical treatment and planned to surf again in the same waters within 10 days.

Alaska's Bureau of Land Management regularly posts photos and videos of flying squirrels, scampering porcupines, majestic moose or dramatic landscapes.

But the video that went up last week was different. It was ominous. It was mysterious. It was ... the Chena River Ice Monster, as captured by a baffled BLM employee.

The video shows a strange, undulating icy shape appearing to move through the water. The video has a dramatic soundtrack and an overlay of a camcorder, but BLM insisted the footage itself was unedited.

A new study suggests some Los Angeles-area earthquakes in the 1920s and 1930s could have been caused by the oil boom at the time.

The paper, scheduled to be published online Tuesday in the Bulletin of the Seismological Society of America, presents evidence that drilling around Los Angeles between 1915 and 1932 could have been associated with damaging earthquakes in the area, including the magnitude 6.4 Long Beach quake in 1933 that killed 120 people.

A large space rock came fairly close to Earth on Sunday night. Astronomers knew it wasn't going to hit Earth, thanks in part to a new tool NASA is developing for detecting potentially dangerous asteroids.

Three space travelers landed safely back on Earth late Saturday night.

The journey began in the evening, 5:12 p.m., ET to be exact, when the hatch to the International Space Station closed, and Kate Rubins, Anatoly Ivanishin and Takuya Onishi climbed into the cramped Russian-made Soyuz spacecraft that would bring them home.

After years of negotiations, nations have reached an agreement to establish the world's largest marine sanctuary in Antarctica's Ross Sea.

Twenty-four countries and the European Union reached the unanimous deal at an international meeting of the Commission for the Conservation of Antarctic Marine Living Resources in Hobart, Australia on Friday.

If you want to feel virtuous the next time you chug a brewski, consider the Long Root Ale. This new beer, mildly fragrant and with a rye-like spiciness, is the first to use Kernza, a kind of wheat that could make agriculture more sustainable, especially in the face of climate change.

In 1950, less than 50 percent of the world's population lived in cities.

As of 2014, more than half of people on Earth occupied space in urban areas. By 2050, it is expected that the city dwellers will grow to 66 percent.

The tipping point has been crossed. More important, our rapid urbanizing comes at exactly the same moment the planet begins its transition to a new (and unknown) climate state.

When scientists recently announced that they had discovered a new planet orbiting our closest stellar neighbor, Proxima Centuri, they also released an artist's conception of the planet.

A drive 30 minutes north of Omaha, Neb., leads to the Fort Calhoun nuclear power plant. It's full of new equipment. There's a white concrete box building that's still under construction. It's licensed until 2033. But the plant is closing Monday.

Nuclear power is expensive, especially when compared to some of the alternatives, so the U.S. nuclear power industry is shrinking. As more plants go offline, industry leaders are forced to reckon with what critics call a "broken system" for taking plants out of service and storing radioactive waste.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

RACHEL MARTIN, HOST:

An experimental lander from the European Space Agency is making its final descent toward Mars, preparing for a controlled landing on Wednesday.

The Schiaparelli probe detached from its mothership, the Trace Gas Orbiter, on Sunday.

There was a moment of alarm when, after separating from the ship, Schiaparelli didn't send the expected signals back to scientists on earth. It did send back a "carrier signal" to show it was operational, but didn't communicate any telemetry data about its status or location.

Counting all the galaxies in the universe is hard. So hard, it seems, that it's possible to miss billions of them.

A new analysis of Hubble Space Telescope data finds there are almost 10 times more galaxies in the universe than we once thought there were — about 2 trillion of them, up from about 200 billion.

In the world of illegal wildlife trade, the most valuable appendage — even more than elephant ivory — is the horn of the rhinoceros. Investigative journalist Bryan Christy estimates that the wholesale market for rhino horn is roughly a quarter of a billion dollars.

The teenage brain has been characterized as a risk-taking machine, looking for quick rewards and thrills instead of acting responsibly. But these behaviors could actually make teens better than adults at certain kinds of learning.

Human life spans have been increasing for decades thanks to advances in treating and preventing diseases and improved social conditions.

In fact, longevity has increased so much in recent decades that some researchers began to wonder: What is the upper limit on human aging?

I start with a remarkable quote:

Some cutting-edging science today relies on the centuries-old art of glassblowing.

When researchers in chemistry, physics and medicine need special glass tools for complex experiments, they sometimes sit down with a glassblower to sketch out designs for customized beakers, flasks and condenser coils.

The largest radio telescope in the world officially opened on Sunday, according to China's official Xinhua News.

The Five-hundred-meter Aperture Spherical Telescope, or FAST, is named after its diameter, which at 500 meters makes it 195 meters wider than the second largest telescope of its kind, the Arecibo Observatory in Puerto Rico.

In 1970, archaeologists excavating the site of an ancient synagogue in Israel dug up a cylindrical lump of charcoal that looked like the remains of a scroll.

The animal-skin document was badly burned and battered. It was so delicate, just touching its surface sent pieces flaking off. To attempt to read it by unwrapping the layers would be to destroy the artifact forever. For curious scholars hoping to know what was written inside, the so-called En-Gedi scroll was a hopeless enigma.

Until now.

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