Author Archives: Margaret Allen

About Margaret Allen

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Textbook theory of how humans populated America is “biologically unviable,” study finds

The established theory of how Ice Age peoples first reached the present-day United States is now challenged by an unprecedented study that concludes that entry route was “biologically unviable.”

The North American ice-free corridor, thought to have been used by the first colonizers, only became biologically viable 12,600 years ago — after they would have arrived. Researchers suggest a Pacific coast was the entry route.
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Scientific American: Blade Runners — Do High-Tech Prostheses Give Runners an Unfair Advantage?

90AFDA25-7F51-4DCB-99FAB8F64EAEDF5BScience writer Larry Greenemeier cited the research of SMU biomechanics expert Peter Weyand for an article in Scientific American that examines the pros and cons of carbon-fiber blade prosthetics used by athlete amputees.

Greenemeier cites Weyand’s research findings from a study of Olympic blade-runner Oscar Pistorius to determine whether the double-amputee had a competitive advantage from his carbon-fiber prosthetic legs. The article “Blade Runners: Do High-Tech Prostheses Give Runners an Unfair Advantage?” published Aug. 5, 2016. Continue reading

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Scientific American: Have We Reached the Athletic Limits of the Human Body?

13C5A8BA-E26E-4500-95144C71E5B1DED4Science writer Bret Stetka tapped the expertise of SMU biomechanics expert Peter Weyand for an article in Scientific American examining the potential for humans to continue improving strength and speed beyond what has already been achieved.

Stetka quotes Weyand for his expertise on the mechanics of running and speed of world-class sprinters like Usain Bolt. The article “Have We Reached the Athletic Limits of the Human Body?,” published Aug. 5, 2016. Continue reading

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The Wall Street Journal: The Science Behind Sprinter Usain Bolt’s Speed

Usain Bolt, Peter Weyand, Wall Street Journal, sprinters, speed, biomechanicsScience writer Matthew Futterman tapped the expertise of SMU biomechanics expert Peter Weyand for an article about the world’s fastest-ever human, Usain Bolt.

Reporting in The Wall Street Journal, Futterman quotes Weyand for his expertise on the mechanics of Usain Bolt’s unusual speed. The article “The Science Behind Sprinter Usain Bolt’s Speed,” published July 28, 2016. Continue reading

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Laser Beats Rock: Armored Dinosaur May Have Relied Most on Sense of Smell

Independent science journalist Sarah Puschmann covered the research of SMU Earth Sciences Professor Louis L. Jacobs in a post on her blog “Armored Dinosaur May Have Relied Most on Sense of Smell.”

A professor in Dedman College‘s Roy M. Huffington Department of Earth Sciences, Jacobs is co-author of a new analysis of the Cretaceous Period dinosaur Pawpawsaurus based on the first CT scans ever taken of the dinosaur’s skull. Continue reading

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Scientific American: The Secret to Human Speed — “To sprint like a pro, think like a piston.”

Peter Weyand, human speed, Scientific American, SMU, elite sprinters, speed, biomechanicsThe work of SMU biomechanics researcher Peter G. Weyand is featured in the August 2016 issue of the science news magazine Scientific American.

Science writer and associate editor Dina Fine Maron reports on Weyand’s leading-edge research about the key to human speed for sprinters in the article “The Secret to Human Speed” and the video report “How Elite Sprinters Run So Fast.” Continue reading

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The Dallas Morning News: Scientists offer explanation on how oil and gas activity triggers North Texas earthquakes

earthquake, causes, SMU, oil, fracking, seismologyIn an article contributed to The Dallas Morning News, science journalist Anna Kuchment covered the research of SMU seismologists on a possible explanation for the spate of earthquakes in North Texas in recent years.

The study, Ellenburger wastewater injection and seismicity in North Texas, posted online July 17 in the peer-reviewed journal Physics of the Earth and Planetary Interiors.

It is the first scientific work to offer an explanation for the Dallas and Irving quakes, Kuchment notes in her article, “Scientists offer possible explanation for how oil and gas activity may have triggered Dallas earthquakes.Continue reading

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The Texas Tribune: Sinkhole Warnings Don’t Faze West Texas

Wink sinkholes, smu, remote satellite images, insar, ogallala aquiferThe Texas Tribune journalist Jim Malewitz covered the research of SMU geophysicists Zhong Lu, professor, Shuler-Foscue Chair, and Jin-Woo Kim research scientist, both in the Roy M. Huffington Department of Earth Sciences at SMU.

Malewitz’s article, “Sinkhole Warnings Don’t Faze West Texas,” published July 12, 2016. Continue reading

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Students grasp abstract math concepts after they demonstrate them with arm motions

Walkington, SMU, geometry, proof, arm motions Students who make relevant arm movements while learning can improve their knowledge and retention of math, research has shown.

Now researchers at Southern Methodist University, Dallas, and the University of Wisconsin-Madison have developed a model using geometry proofs that shows potential for wide adoption — a video game in which students make movements with their arms to learn abstract math concepts. Continue reading

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