https://dovevn.com/

science


A Suitcase-Size Satellite’s Big Image of Frozen Earth Below

A Suitcase-Size Satellite’s Big Image of Frozen Earth Below

An image made by the Iceye-X1 satellite showing the Noatak National Preserve in northwest Alaska.

The Final Hours of the Iceman’s Tools

The Final Hours of the Iceman’s Tools

A showcase reflects a reconstruction of Ötzi’s skull, center, and his body at the South Tyrol Museum of Archaeology in Bolzano, Italy.

With 86% Drop, California’s Monarch Butterfly Population Hits Record Low

With 86% Drop, California’s Monarch Butterfly Population Hits Record Low

The population of western monarch butterflies in California dropped to a record low last year, according to a nonprofit conservation group.

SpaceX’s Big Rocket, the Falcon Heavy, Finally Reaches the Launchpad

SpaceX’s Big Rocket, the Falcon Heavy, Finally Reaches the Launchpad

Almost 230 feet tall and weighing more than 3 million pounds, the Falcon Heavy is more powerful than any other rocket flying today.

Empathy May Be Overrated in an Election, and in a Leader

Empathy May Be Overrated in an Election, and in a Leader

Top: Donald J. Trump; Middle: Bill Clinton: Bottom: George H.W. Bush.

Two Urchins, Similar but Not

Two Urchins, Similar but Not

Many different species do similar things. The pencil sea urchin and green sea urchin, for example, are both grazers in the coastal waters of the Galapagos Islands.

In Footprints on Scotland’s Isle of Skye, Signs of a Dinosaur Playground

In Footprints on Scotland’s Isle of Skye, Signs of a Dinosaur Playground

A sauropod footprint found in Scotland was among several that included tracks left by smaller, two-legged meat-eaters. Their presence together upends a theory that the larger plant-eaters waded into shallow, muddy waters to evade predators.

Friendly Foxes’ Genes Offer Hints to How Dogs Became Domesticated

Friendly Foxes’ Genes Offer Hints to How Dogs Became Domesticated

“The domestic dog is selected for so many different things,” said one researcher conducting the experiment. The fox is only selected for friendliness.

‘Blood Moon’ Provides Dramatic Sights, and a Dose of Folklore

‘Blood Moon’ Provides Dramatic Sights, and a Dose of Folklore

The entire moon was in shadow for 103 minutes, about 15 minutes longer than the average eclipse, and was visible from Europe, Africa, Asia, Australia and parts of South America.

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.

At Airports, a Misplaced Faith in Body Language

At Airports, a Misplaced Faith in Body Language

Transportation Security Administration employees at work. The agency employs thousands of officers who try to spot suspicious passengers.

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.

F.D.A. to Expand Medication-Assisted Therapy for Opioid Addicts

F.D.A. to Expand Medication-Assisted Therapy for Opioid Addicts

Alex M. Azar II, the secretary of health and human services, speaking to the National Governors Association on Saturday in Washington. The Trump administration wants to expand access to so-called medication-assisted treatment for combating opioid addiction.

Neanderthals, the World’s First Misunderstood Artists

Neanderthals, the World’s First Misunderstood Artists

The ladder-shaped painting on the left in the La Pasiega cave in Spain is older than 64,000 years, scientists have found, and was made by Neanderthals.


© 2020 US News. All Rights Reserved.