Shop manager Debbie Armstrong adjusts the two-tone dress Friday in a window display of a shop in Lichfield, England.

Science brings clarity to Internet debate on dress’s true colors

Controversy rages even if science can explain it. Is that dress on the Internet gold and white, or blue and black?

2 days ago

 The two-tone dress, left, alongside an ivory and black version, made by Roman Originals.

Debate over dress’s color takes Internet by storm

University of Pittsburgh and West Penn Hospital doctors gave color commentary on why people are seeing different colors in an online photo.

2 days ago

 In this Jan. 24, 2015, photo, Peter Convey, a senior research professor with the British Antarctic Survey, searches for samples on Deception Island in the South Shetland Islands archipelago, Antarctica.

Antarctica’s retreating ice may re-shape Earth

In the worst-case scenario, Antarctica’s melt could push sea levels up 10 feet worldwide in a century or two, recurving coastlines.

2 days ago

 Kobe, a female polar bear, takes a swim at the Pittsburgh Zoo & PPG Aquarium.

Captivity may cause stress for polar bears, but Arctic also poses problems

Polar bears evolved to range hundreds of miles — something they can’t do in zoos and won’t be able to do as the Arctic shrinks.

6 days ago

 “Once everyone is turned on and ready to go, we’ll line the rovers up and a green flag will go up and everyone will take off,” said Astrobotic CEO John Thornton, shown here in December.

Strip District-based Astrobotic signs up first competitor to send payload to the moon

Hakuto, the Tokyo-based team signed on to Astrobotic’s payload, is one of 18 teams remaining in the Google Lunar XPRIZE competition.

6 days ago

 Typically, a large portion of the meteor is lost to light and heat in the atmosphere that produces the fireball.

500-pound meteor streaks through Western Pennsylvania sky, captured on cameras

The sonic boom and explosion produced a burst of light that, for an instant, was comparable in size to the sun.

1 week ago

Scientists call for ‘geoengineering’ tests to find ways to cool the planet

The controversial field aims to change the climate by blocking the sun’s rays.

2 weeks ago

 John Doebley, University of Wisconsin professor of genetics, will be the keynote speaker for Duquesne University’s Darwin Day celebration on Thursday.

Duquesne University's Darwin Day lecture focuses on the evolution of corn

John Doebley’s Darwin Day 2015 lecture Wednesday at Duquesne University will explain how the evolution of corn reflects natural selection.

2 weeks ago

Penn Hills uses futuristic simulator to enhance elementary subjects

The IKS Dreamcatcher simulator at Penn Hills Elementary School was developed by a Regent Square couple to help learning by role-playing.

3 weeks ago

 A bottle of potassium cyanide found in Robert Ferrante's lab.

Cyanide has a long history in manufacturing and in murder

Cyanide has been a weapon of choice for mass killers, spies and poachers. It’s nevertheless not a good poison for murder, experts say.

3 weeks ago

 “They need a system in place so that when something emerges as a problem — and you can always bet there will be a mutation — they can address it,”  U.S. Rep. Tim Murphy, R-Upper St. Clair, said after a congressional hearing Tuesday investigating the country's preparedness regarding vaccinations.

Federal health officials grilled on vaccinations

Some members of Congress say the Centers for Disease Control failed to adjust its flu vaccine when it was apparent the virus was mutating.

3 weeks ago

 Federal Trade Commissioner Julie Brill speaks at Carnegie Mellon University on Wednesday.

Do you know where your data are? Privacy issues raised at CMU

CMU researchers argue in Science magazine that we can no longer protect ourselves against Internet privacy encroachment.

4 weeks ago

 Jonathan W. Jarvik, a Carnegie Mellon University  biochemist who also founded SpectraGenetics, holds a petri disc with a colony of cells used in his research to find a compound that boosts the newly discovered anti-aging protein, GDF11, to be used to reverse aging in pets.

South Side researcher seeks more crowdfunding to make pets live longer

John W. Jarvik of Spectragenetics is using crowdfunding to find a way to boost a protein that could improve pet health and longevity.

4 weeks ago


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