Science


 Body products on display at the Whole Foods in Washington, Thursday, Oct. 9, 2014. There’s a strict set of standards for organic foods. But the rules are looser for household cleaners, textiles, cosmetics and the organic dry cleaners down the street. Wander through the grocery store and check out the shelves where some detergents, hand lotions and clothing proclaim organic bona fides. Absent an Agriculture Department seal or certification, there are few ways to tell if those organic claims are bogus. (AP Photo/Susan Walsh)

The meaning of 'organic' hazy for nonfood items

There’s a strict set of standards for organic foods. But the rules are looser for personal care items, cleaners and textiles.

about 10 hours ago


 Barbara Smith, a registered nurse with Mount Sinai Health Systems, demonstrates the proper technique for donning protective gear during an Ebola educational session for health care workers Tuesday at the Jacob Javits Center in New York City.

Updated Ebola guidelines in effect in Pittsburgh region

Allegheny Health Network surgeon says CDC is ‘catching up.’

2 days ago


 The CMU Robotics Institute developed a snakelike robot, known as Snakebot, modeled after a sidewinder.

CMU researchers eye uses for snakelike machines

Study shows advances in robots that mimic a sidewinder could be used for search-and-rescue or high-risk inspections.

1 week ago


Alzheimer’s brain cells replicated in petri dish

In doing so, they resolved a longstanding problem of how to study Alzheimer’s and search for drugs to treat it.

1 week ago


Frozen fecal ‘pill’ shows promise against bacteria

Study shows fecal matter may provide an alternative to hard-to-treat infection in the gut.

1 week ago


Study: Daily floods could hit East Coast cities by 2045

Cities heed warning of climate scientists as leaders invest in combating future flood waters.

1 week ago


Few U.S.states preparing for climate change, study says

Just 14 states have plans preparing for climate change effects, according to the Georgetown Climate Center in Washington.

2 weeks ago


 This undated handout photo shows a stencil of a hand in a cave on the Indonesian island of Sulawesi. Ancient cave drawings in Indonesia are as old as famous prehistoric art in Europe, according to a new study that shows our ancestors were drawing all over the world 40,000 years ago.

Ancient Indonesian cave paintings rewrite history of human art

Cave paintings found in Indonesia are comparable ini age to the earlier ones found in Europe, at least 40,000 years old.

2 weeks ago


LED there be light: 3 share Nobel for blue diode

Two Japanese scientists and a Japanese-born American win the 2014 Nobel prize for physics.

2 weeks ago


 A full moon rises behind One PPG Place on July 11.

Wednesday's lunar eclipse highlights looming astronomical delights

Early risers Wednesday may start to notice something odd about the moon after 4:30 a.m.

2 weeks ago


 The Science Center responded last week with long posts explaining the rationale for its criticized program.

Carnegie Science Center defends its offerings to girls after criticism in social media

Lone program aimed at Girl Scouts, “Science with a Sparkle,” sparks social media storm against center.

2 weeks ago


 The circa 1954 Zeiss Projector used in the old Buhl Planetarium on the North Shore.  The original building is now part of the Children's Museum.

Buhl Planetarium observes 75th with space events

Special activities are planned to mark the 75th anniversary this year of the Buhl Planetarium.

2 weeks ago


Scientists unravel the genetics of human height

Fully understanding the genetics of height has been a big order for scientists.

2 weeks ago


Pitt honors St. Louis professor during 3-day science event

Jeffrey I. Gordon, an expert on the influence of microbes in the human gut, today receives the Dickson Prize at Pitt’s Science 2014.

3 weeks ago


Studies fault warming in much of 2013 wild weather

Scientists in 22 studies find man-made global warming having an impact on more than half of 16 extreme weather instances globally last year.

3 weeks ago


 Michael Jacus, a junior bioengineering student at the University of Pittsburgh, prepares specimens for isolating strands of DNA for the upcoming iGEM competition at MIT while team instructor Jason Lohmueller observes.

Competition spurs genetics research from Pitt, CMU students

This year’s International Genetically Engineered Machine (iGEM) competition is focusing on finding a useful function from bacteria.

3 weeks ago


 FILE - In this Feb. 22, 2010 file photo, a student uses an Apple MacBook laptop in his class in Palo Alto, Calif. New warnings are emerging of a security flaw known as the "Bash" bug, which cyber experts say may pose a serious threat to computers and other devices using Unix-based operating systems such as Linux and Mac OS X. (AP Photo/Paul Sakuma, File)

Q&A: Experts warn of Bash Bug, what are the risks?

Bash Bug, also known as Shellshock, may pose serious threat to computers and devices such as home Internet routers.

4 weeks ago


 Staff from the Indian Space Research Organization celebrate at the ISRO Telemetry, Tracking and Command Network in Bangalore on Wednesday after the Mission Orbiter Mars spacecraft, or MOM, successfully entered the Mars orbit.

India sends orbiter to Mars

India’s spacecraft reaches Mars orbit, first Asian nation to do so.

4 weeks ago



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