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3.6 Degrees of Uncertainty

3.6 Degrees of Uncertainty

Icebergs near Greenland's glaciers, which are speeding up as the climate warms.

A Crispr Conundrum: How Cells Fend Off Gene Editing

A Crispr Conundrum: How Cells Fend Off Gene Editing

Embryonic stem cells surrounded by feeder cells. When a team of scientists tried using Crispr to turn stem cells into neurons, they found that many of them died unless a cancer-fighting gene also was deactivated.

A Few Species of Frogs That Vanished May Be on the Rebound

A Few Species of Frogs That Vanished May Be on the Rebound

A healthy variable harlequin frog with golden coloring in the streams of Panama.

How Cockroaches Crash Into Walls and Keep Going

How Cockroaches Crash Into Walls and Keep Going

Scientists found that the tough exteriors of cockroaches help them keep moving without losing much momentum when they bump into things.

The Thing Inside Your Cells That Might Determine How Long You Live

The Thing Inside Your Cells That Might Determine How Long You Live

A colored transmission electron micrograph of a human serous cell’s nucleus, with its nucleolus in purple. The nucleolus functions as the sort of brain of the nucleus, making rRNA, a basic ingredient for making proteins.

Discovery, Guided by Morality

Discovery, Guided by Morality

Elan Ohayon and his wife, Ann Lam, who is holding their daughter, at a meeting with student researchers at the Green Neuroscience Laboratory.

Climate Change Is Altering Lakes and Streams, Study Suggests

Climate Change Is Altering Lakes and Streams, Study Suggests

The Sorpe reservoir in northwest Germany, one of four freshwater reservoirs observed in a recent study that found that carbon dioxide absorbed in lakes, rivers and streams can affect entire ecosystems.

In the Arctic, More Rain May Mean Fewer Musk Oxen

In the Arctic, More Rain May Mean Fewer Musk Oxen

Musk oxen, massive mammals that live on Arctic tundra, are seeing their numbers dwindle as warmer, rainier winters limit access to food, researchers report.

Depicting the Colors of Space

Depicting the Colors of Space

The large Whirlpool Galaxy, left, is known for its sharply defined spiral arms.

Where NASA Put a Parking Lot, Dinosaurs and Mammals Once Crossed Paths

Where NASA Put a Parking Lot, Dinosaurs and Mammals Once Crossed Paths

A nearly 9-foot slab of rock found in a parking lot on the grounds of NASA’s Goddard Spaceflight Center holds the fossilized tracks of several dinosaurs and even a few early mammals.

Creatures, Strange and Complex, in Colorful Detail

Creatures, Strange and Complex, in Colorful Detail

A change encounter with the colors of a squid.

Yes, They’ve Cloned Monkeys in China. That Doesn’t Mean You’re Next.

Yes, They’ve Cloned Monkeys in China. That Doesn’t Mean You’re Next.

Zhong Zhong, one of two cloned monkeys at the Chinese Academy of Sciences in Shanghai. They are the first primates cloned by transferring DNA into fetal cells.

Frog-Killing Fungus Found to Have Origins on Korean Peninsula

Frog-Killing Fungus Found to Have Origins on Korean Peninsula

An Oriental fire-bellied toad, which was imported into Europe from South Korea.

China’s Giant Salamanders Pose a Conservation Conundrum

China’s Giant Salamanders Pose a Conservation Conundrum

A Chinese giant salamander, in a glass enclosure in Zhangjiajie, China. There are as many as eight distinct species, but farming is muddling them into a single hybridized population.

Japan’s Hayabusa2 Spacecraft Creeps Up on the Ryugu Asteroid

Japan’s Hayabusa2 Spacecraft Creeps Up on the Ryugu Asteroid

A view of the asteroid Ryugu captured by the Hayabusa2 spacecraft on Sunday, from a distance of about 40 kilometers.


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