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PhysOrg: news on page 4

A hidden source of air pollution? Your daily household tasks

Cooking, cleaning and other routine household activities generate significant levels of volatile and particulate chemicals inside the average home, leading to indoor air quality levels on par with a

To fight off unemployment, Iraqi youth plant start-up seeds

Stuck between an endless waitlist for a government job and a frail private sector, Iraqi entrepreneurs are taking on staggering unemployment by establishing their own start-ups.

Tiny fibers create unseen plastic pollution

While the polyester leisure suit was a 1970s mistake, polyester and other synthetic fibers like nylon are still around and are a major contributor to the microplastics load in the environment,

Diagnosing 'art acne' in Georgia O'Keeffe's paintings

Even Georgia O'Keeffe noticed the pin-sized blisters bubbling on the surface of her paintings. For decades, conservationists and scholars assumed these tiny protrusions were grains of sand, kicked up

Art Institute of Chicago unveils key findings in African art thanks to medical technology

On February 16, the Art Institute of Chicago announced the results of significant new research on five terracotta sculptures—so named Bankoni after a village in present-day Mali where they were found.

Study of analog crews in isolation reveals weak spots for Mission to Mars

Northwestern University researchers are developing a predictive model to help NASA anticipate conflicts and communication breakdowns among crew members and head off problems that could make or break

First evidence discovered of a gigantic remnant around an exploding star

A San Diego State University astrophysicist has helped discover evidence of a gigantic remnant surrounding an exploding star—a shell of material so huge, it must have been erupting on a regular basis

Political and policy feedbacks in the climate system

Matto Mildenberger, University of California Santa Barbara explains how perceived experiences with climate change in the United States can be linked to political shifts in Congress, culture and

Archaeologists discover Incan tomb in Peru

Peruvian archaeologists discovered an Incan tomb in the north of the country where an elite member of the pre-Columbian empire was buried, one of the investigators announced Friday.

EPA hits chemical maker for not notifying on new compounds

A chemical maker's North Carolina plant may have broken federal law by failing to notify the U.S. Environmental Protection Agency before it started manufacturing and repurposing new industrial

Runner recalls desperate fight with thrashing mountain lion

Fear washed over Travis Kauffman as he wrestled with a thrashing mountain lion that attacked him on a Colorado mountain trail, but then his fighting instinct took over as he found its neck with his

Beloved rhinoceros dies at age 49 in North Carolina zoo

The North Carolina Zoo says that a beloved rhinoceros named Stanley has died.

The prospects of american strawberries

A comprehensive review led by Jayesh Samtani of Virginia Tech and Curt Rom of the University of Arkansas encapsulates an understanding of the challenges, needs, and opportunities of strawberry growers

Study shows hope for fighting disease known as Ebola of frogs

Despite widespread infection, some frog populations are surviving a deadly disease that is the equivalent of mankind's Ebola virus. The reason —genetic diversity.

NASA catches Tropical Cyclone Gelena's post-tropical transition

Tropical cyclones can become post-tropical before they dissipate, meaning they can become sub-tropical, extra-tropical or a remnant low pressure area. As Tropical Cyclone Gelena transitioned into a

Space junk harpooned like whale in orbit-cleanup test

A harpoon flung from a satellite has successfully captured a piece of pretend space junk, like a whale.

What rising seas mean for local economies

Impacts from climate change are not always easy to see. But for many local businesses in coastal communities across the United States, the evidence is right outside their doors—or in their parking

Faculty beliefs about intelligence predict racial achievement gaps in STEM classes

In a major analysis of university faculty and students in science, technology, engineering and math, Indiana University social psychologists found that professors' beliefs about intelligence play a

Biologists identify honeybee 'clean' genes known for improving survival

The key to breeding disease-resistant honeybees could lie in a group of genes—known for controlling hygienic behaviour—that enable colonies to limit the spread of harmful mites and bacteria, according

A new study looks at ways to cut roadkill numbers for small and medium-sized mammals

Most motorists pay little attention to the amount of roadkill they drive over or past on the highway, except when swerving to avoid it.