Science

The Two-Way
11:02 am
Tue September 3, 2013

U.S. 'Space Fence' Radar System Goes Silent, After 50 Years

A computer image generated by NASA shows objects orbiting Earth, including those in geosynchronous orbit at a high altitude. The objects are not to scale.
NASA

Originally published on Tue September 3, 2013 11:51 am

The Space Fence is down. That's the message we get from the SatWatch site, following up on our report last month that the U.S. Air Force was poised to shut down the radar system that tracks thousands of objects orbiting Earth. It had been in operation since 1961.

Read more
Environment
2:03 am
Tue September 3, 2013

Pollution, Not Rising Temperatures, May Have Melted Alpine Glaciers

The Alps' largest glacier, Aletsch Glacier, extends more than 14 miles and covers more than 46 square miles.
Wikimedia.org

Originally published on Tue September 3, 2013 10:28 am

Glaciers in the Alps of Europe pose a scientific mystery. They started melting rapidly back in the 1860s. In a span of about 50 years, some of the biggest glaciers had retreated more than half a mile.

But nobody could explain the glacier's rapid decline. Now, a new study from NASA's Jet Propulsion Laboratory uncovers a possible clue to why the glaciers melted before temperatures started rising: Soot from the Industrial Revolution could have heated up the ice.

Read more
Animals
1:59 am
Tue September 3, 2013

The Latest In Scientific Field Equipment? Fido's Nose

Rob Finch

Originally published on Tue September 3, 2013 6:25 pm

Dave Vesely is busy training his dog, Sharpy. She isn't learning to sit or fetch or even herd sheep; Sharpy is learning to find the nests of western pond turtles.

These turtles are sneaky. After laying their eggs in a small hole, they knead together dirt, leaves and their own urine to plug the opening. Once this mud dries, the nest looks like an unremarkable patch of ground.

Read more
Shots - Health News
2:03 pm
Mon September 2, 2013

Enough With Baby Talk; Infants Learn From Lemur Screeches, Too

Originally published on Thu September 5, 2013 8:26 am

New research suggests that 3-month-old human babies can use lemur calls as teaching aids. The findings hint at a deep biological connection between language and learning.

Read more
The Two-Way
10:27 am
Sun September 1, 2013

Radioactive Water Leak At Fukushima Worse Than First Thought

This photo taken Aug. 6 shows local government officials and nuclear experts at Fukushima after contaminated water was discovered.
AFP/Getty Images

Originally published on Tue September 3, 2013 9:48 am

Radiation surrounding Japan's crippled Fukushima nuclear plant has increased 18-fold following a report last month that radioactive water had leaked into the ground around the plant, which was badly damaged in a 2011 earthquake and tsunami.

Tokyo Electric Power Co., which owns the Fukushima Dai-ichi plant, reports that radiation around the site is at 1,800 millisieverts per hour, a level that Reuters says is "enough to kill an exposed person in four hours."

Previously, the utility, also known as Tepco, said the leaking water was at around 100 millisieverts per hour.

Read more

Pages