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Science News for May 19, 1999


American Heart Association Comment: Nonsurgical Reconstruction Of Thoracic Aortic Dissection By Stent-Graft Placement

A new nonsurgical technique using stent-graft placement has been shown to be effective in treating people with life-threatening aortic dissection. The catheter-delivered procedure involves inserting a wire mesh tube to force open and maintain the blocked aorta, reducing complications and mortality rates.

SourceAmerican Heart Association·JournalNew England Journal of Medicine·DateMay 19, 1999
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Dietary Supplements Could Put A Stop To A Royal Curse

Researchers have discovered naturally occurring enzymes that can detoxify porphyrins, building blocks of haemoglobin, in a potential breakthrough for treating variegate porphyria. This rare disorder was passed down through the royal family, including Queen Elizabeth II's first cousin Prince William of Gloucester.

SourceNew Scientist·JournalThe New Scientist·DateMay 19, 1999

Treating Depression Makes A Healthier Heart

A study found that patients taking selective serotonin reuptake inhibitors (SSRIs) had a reduction in sticky platelets, which can contribute to heart problems. The researchers suggest that improved mood is the key factor behind this effect.

SourceNew Scientist·JournalThe New Scientist·DateMay 19, 1999

New Procedure Makes A Successful Transplant Possible

A new procedure called High PRA Rescue cleanses blood of harmful rejection antibodies, enabling six patients to receive successful kidney transplants from living donors. The innovative technique, combined with three new anti-rejection medications, has shown promising results in a two-week period.

SourceUniversity of Maryland Medical Center·DateMay 19, 1999

Undergrads' Device To Help Army Simulate Combat Conditions

Three Johns Hopkins University engineering students build an air-powered hammering device that can deliver up to 45,000 pounds of force to test computer models predicting armored vehicle equipment durability. The device is part of a design project course and aims to improve the accuracy of simulations for real-world battlefield scenarios.

SourceJohns Hopkins University·DateMay 19, 1999
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Testosterone Is Mixed Blessing To Men's Health

A study found that middle-aged men with higher testosterone levels are less likely to experience high blood pressure, heart attacks, and obesity. However, they are more likely to engage in unhealthy behaviors such as smoking and excessive drinking.

SourcePenn State·JournalJournal of Behavioral Medicine·DateMay 19, 1999

Future Of Medical Research Funding To Be Focus Of Congressional Briefing

A new report outlining alternative funding sources for medical research will be released at a congressional briefing on May 25. The report suggests funding options and models that can be used in conjunction with the current appropriations process to secure sustained, long-term funding for medical research.

SourceAmerican Association for the Advancement of Science (AAAS)·DateMay 19, 1999

What's Making A Weird Glow At The Centre Of A Twister?

Researchers John Abrahamson and Peter Coleman successfully created stable fireballs in a mini tornado using liquefied petroleum gas, challenging existing theories about ball lightning. The experiment may have industrial applications and shed new light on unexplained UFO sightings.

SourceNew Scientist·JournalThe New Scientist·DateMay 19, 1999

Engineered Corn Can Kill Monarch Butterflies

Research by Cornell University reveals that genetically engineered corn, designed to protect against pests, can kill monarch butterfly larvae when they come into contact with its pollen. This has significant implications for the long-term survival of the monarch species, which is already facing habitat disruption and other threats.

SourceCornell University·JournalNature·DateMay 19, 1999
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Walker named a Fellow of the British Royal Society

Alan Walker, a distinguished professor at Penn State, has been recognized by the British Royal Society for his groundbreaking work on human origins. He is one of forty-two new Fellows elected this year and was honored for his distinguished contributions to the world's knowledge of human origins.

SourcePenn State·DateMay 19, 1999