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A Rising Threat to Wildlife: Electrocution

A Rising Threat to Wildlife: Electrocution

A woman prayed over the bodies of two Asian elephants that were electrocuted in Siliguri, India.

The F.B.I. and the Mystery of the Mummy’s Head

The F.B.I. and the Mystery of the Mummy’s Head

This mummified, severed head was recovered from an ancient Egyptian tomb in 1915. Scientists needed to collect DNA to figure out whom the head belonged to.

The Sounds That Haunted U.S. Diplomats in Cuba? Lovelorn Crickets, Scientists Say

The Sounds That Haunted U.S. Diplomats in Cuba? Lovelorn Crickets, Scientists Say

Scientists say a recording of disturbing sounds made by American diplomats in Cuba actually may be of a very loud cricket species.

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.

The Known: Cancer Is Really, Really Old. The Unknown: How Common It Was.

The Known: Cancer Is Really, Really Old. The Unknown: How Common It Was.

Evidence of a cancerous tumor was found on a bone fossil dating back 1.7 million years.

Extremely Large, Extremely Expensive: The Race for the Next Giant Telescopes

Extremely Large, Extremely Expensive: The Race for the Next Giant Telescopes

A laser beam shot from one of four telescope units of the European Southern Observatory's Very Large Telescope, one of the largest in the world. New telescopes such as the Thirty Meter Telescope and the Extremely Large Telescope would dwarf it — if they're completed.

Laser

Laser

The United States Navy's laser weapon. It can be used to ablate, ignite or otherwise damage an air or sea target.

Silicon Valley’s Water Conservation Conundrum

Silicon Valley’s Water Conservation Conundrum

­“Silicon Valley has been talking about water technology since they started talking about clean tech, but there are no new big ideas,” said Joel Makower, the chairman and executive editor of the GreenBiz Group.

Some Birds Are Better Off With Weak Immune Systems

Some Birds Are Better Off With Weak Immune Systems

The tree pipit migrates to and from Africa and Europe each year.

The Baby’s Hand Was Mummified. Why Wasn’t the Rest of Its Body?

The Baby’s Hand Was Mummified. Why Wasn’t the Rest of Its Body?

The skeleton of a child found in Hungary was partially mummified by copper from a coin placed in its hand.

Depicting the Colors of Space

Depicting the Colors of Space

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

Poisonous Prey Turned Into Hunter’s Defense

Poisonous Prey Turned Into Hunter’s Defense

Cnidarians, including corals and many jellyfish, feed and defend themselves with stinging capsules. Some sea slugs have evolved several lines of defense.

Every 202,500 Years, Earth Wanders in a New Direction

Every 202,500 Years, Earth Wanders in a New Direction

Earth’s gravitational interactions with other planets — particularly Venus, because it is very near — affect the shape of its orbit.

This Asteroid Shouldn’t Be Where Astronomers Found It

This Asteroid Shouldn’t Be Where Astronomers Found It

An artist's impression of 2004 EW95, a relic of the primordial solar system, which scientists believe originated in the asteroid belt between Mars and Jupiter but now floats beyond Neptune.

Review: ‘Pit Bull’ Traces Path From Fighter to Pet to Demon

Review: ‘Pit Bull’ Traces Path From Fighter to Pet to Demon

Pit Bull: The Battle Over an American Icon by Bronwen Dickey
Knopf, $26.95
330 pages

Clown Fish Need More Energy to Live in a Bleached Home

Clown Fish Need More Energy to Live in a Bleached Home

Researchers at the University of Glasgow studied physiological indicators of stress in clown fish living with bleached anemones, a result of warming temperatures and other environmental disturbances.


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