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April 15, 2016

 

sugar beets

Beet Parasites

Sugar beets are susceptible to wormy parasites that decrease crop yields.

April 14, 2016

 

This sparkling jumble is Messier 5 — a globular cluster consisting of hundreds of thousands of stars bound together by their collective gravity. But Messier 5 is no normal globular cluster. At 13 billion years old it is incredibly old, dating back to close to the beginning of the Universe, which is some 13.8 billion years of age. It is also one of the biggest clusters known, and at only 24 500 light-years away, it is no wonder that Messier 5 is a popular site for astronomers to train their telescopes on. Messier 5 also presents a puzzle. Stars in globular clusters grow old and wise together. So Messier 5 should, by now, consist of old, low-mass red giants and other ancient stars. But it is actually teeming with young blue stars known as blue stragglers. These incongruous stars spring to life when stars collide, or rip material from one another.

The Mystery of KIC8462852

The Kepler telescope has detected a large entity blocking light from a distant star called KIC8462852.

April 13, 2016

 

battery sign

Non‑toxic Batteries

Scientists have developed a non‑toxic, non‑flammable battery using organic dye and a food additive.

April 12, 2016

 

line of caterpillars

Pine Processionary Caterpillars

Pine processionary caterpillars march to a different drum! They travel great distances in single-file.

April 11, 2016

 

memory chip

Recollection or Reconstruction?

Though we often think of the brain as a storage device, memory isn't an act of recollection, it's a reconstruction of past events.

April 8, 2016

 

zebra in the wild

Ride ‘em Zebra?

Zebras look like horses with stripes, but there are key behavioral differences that keep them from being domesticated.

April 7, 2016

 

Mars rover

Mars Has Flowing Water

Mars has sprung a leak of free-flowing salt water.

April 6, 2016

 

pond slime

Brains and Slime

Brain cells and slime bacteria draw from the same molecular bag of tricks.

April 5, 2016

 

phytoplankton

The Antarctic-CO2 Connection

Temperatures directly correlate to CO2 levels In Antarctica, but not in the tropics or Northern Hemisphere. Here's why:

April 4, 2016

 

walking

Walking Neighborhoods

People who live in neighborhoods within walking distance of shops and stores have lower blood pressure.

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