science newsletter: Science News SciGuru.com

Τρίτη 17 Ιουνίου 2014

Science News SciGuru.com

Many bodies prompt stem cells to change
How bats use swimming pools
E-Cigarette Online Market On Fire
Bionic pancreas for control of type 1 diabetes

Posted: 16 Jun 2014 07:04 PM PDT

How does a stem cell decide what path to take? In a way, it’s up to the wisdom of the crowd.

The DNA in a pluripotent stem cell is bombarded with waves of proteins whose ebb and flow nudge the cell toward becoming blood, bone, skin or organs. A new theory by scientists at Rice University shows the cell’s journey is neither a simple step-by-step process nor all random.

How bats use swimming pools

Posted: 16 Jun 2014 06:51 PM PDT

As spring turns to summer, many of us enjoy the longer days by lingering on our back porches or sitting by the pool.Bats

It's the latter on which researchers at the Center for Bat Research, Outreach, and Conservation at Indiana State University are focusing. They would like the public's help in understanding how bats use swimming pools.

A nationwide survey is now available online, so if you own, use or manage a swimming pool, you can provide valuable information. Even if you have never seen a bat near your pool, that's important, researchers say.

E-Cigarette Online Market On Fire

Posted: 16 Jun 2014 06:29 PM PDT

Researchers at the University of California, San Diego School of Medicine have completed the first comprehensive survey of e-cigarettes for sale online and the results, they believe, underscore the complexity in regulating the rapidly growing market for the electronic nicotine delivery devices.

Bionic pancreas for control of type 1 diabetes

Posted: 16 Jun 2014 06:23 PM PDT

A new study has found that use of a wearable ‘bionic’ pancreas improved mean blood glucose levels and reduced frequency of hypoglycemia compared to using fingerstick tests and insulin delivery via a pump. The NIH-funded study from researchers in Harvard Medical School and Massachusetts General Hospital and Boston University appears in the New England Journal of Medicine.