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The Lost Dogs of the Americas

The Lost Dogs of the Americas

A 10,000-year-old dog from an archaeological site near Eldred, Ill., known as the Koster site, where the earliest known dogs in the Americas were found.

To See the Best Christmas Trees, You’ll Need Scuba Gear

To See the Best Christmas Trees, You’ll Need Scuba Gear

A Spirobranchus worm, commonly called the Christmas tree worm, on a coral reef near Eilat, Israel.

Ships Unearthed in Virginia Offer Glimpse of Colonial Era

Ships Unearthed in Virginia Offer Glimpse of Colonial Era

An 18th-century ship was discovered last month in Old Town Alexandria, Va., the fourth discovered in recent years within a two-block radius.

How Long Can We Live? The Limit Hasn’t Been Reached, Study Finds

How Long Can We Live? The Limit Hasn’t Been Reached, Study Finds

In Acciaroli, a hamlet in southern Italy, about one-in-60 residents are over the age of 90. A survey of about 4,000 Italians found that mortality rates in old age plateau around 105, suggesting that the ceiling for human lifespan has not yet been reached.

Did Juul Lure Teenagers and Get ‘Customers for Life’?

Did Juul Lure Teenagers and Get ‘Customers for Life’?

Juul is under federal investigation for marketing its discreet, flash-drive-resembling e-cigarette product to youth.

Baleen Whales Intermingled as They Evolved, and Share DNA With Distant Cousins

Baleen Whales Intermingled as They Evolved, and Share DNA With Distant Cousins

Fin whales differ in size, color and body shape from their cousins, the larger blue whale, but scientists decoding the genome of several baleen species say there was intermingling during the course of their evolution.

Visitors From the Ocean’s Twilight Zone

Visitors From the Ocean’s Twilight Zone

A transparent hatchetfish, retrieved by researchers from the Woods Hole Oceanographic Institution, which is seeking to understand better the creatures that occupy the sea from 600 to 3,300 feet deep.

Do Bees Know Nothing?

Do Bees Know Nothing?

Not only can a honey bee count, it understands the concept of zero, according to researchers.

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.

The Famine Ended 70 Years Ago, but Dutch Genes Still Bear Scars

The Famine Ended 70 Years Ago, but Dutch Genes Still Bear Scars

A victim of starvation during the Dutch famine of 1944-45. Women pregnant during the period gave birth to babies who were affected by health problems throughout their lives.

Emperor Penguins: Good Dads, but Less Dedicated Than You May Have Thought

Emperor Penguins: Good Dads, but Less Dedicated Than You May Have Thought

Adult emperor penguins and their chicks near a research station in Terre Adélie, Antarctica. Researchers found that male penguins from one colony often slipped out to hunt during breeding season.

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.

Animals Are Losing Their Vagility, or Ability to Roam Freely

Animals Are Losing Their Vagility, or Ability to Roam Freely

Pronghorn antelope along a fence northwest of Casper, Wyo. A study has found that wildlife move far less in regions where humans are present, ultimately threatening the viability of a species.

Already Anticipating ‘Terminator’ Ethics

Already Anticipating ‘Terminator’ Ethics

Fully programmable robots were on display at the Humanoids 2013 conference in Atlanta. The goal is to enable them to work effectively and even autonomously in emergency situations.

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.


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