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Science News for July 9, 1996


Fundamental (But Forgotten) Law Of Mortality Resuscitated

A study by Argonne National Laboratory and the University of Chicago Medical Center supports Benjamin Gompertz's theory of a universal law of mortality. The researchers analyzed data from sheltered animals and humans, finding statistically indistinguishable mortality curves that fit the Gompertz model.

SourceUniversity of Chicago Medical Center·DateJul 9, 1996

Biologists Discover Genetic Means To Grow Wing Tissue

Researchers identified a single gene regulating wing formation in fruit flies, revealing a fundamental understanding of how genes mastermind limb development. The discovery may lead to new avenues for preventing birth defects caused by genetic miscommunication.

SourceUniversity of Wisconsin-Madison·DateJul 9, 1996

New Use For Fly Ash

A licensing agreement between Michigan Technological University and Mineral Resource Technologies aims to commercialize the recovery and processing of fly ash. The technology separates out carbon, iron oxide, and cenophores from the high-carbon byproduct, enabling its use as a replacement for cement and filler for various products.

SourceMichigan Technological University·DateJul 9, 1996
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Study Links Stress To Mothers' Oral Health

A pilot study found that mothers with children have poorer oral health, including more missing teeth and gum problems, compared to childless women. Stress levels may exacerbate this issue, suggesting that mothers need to prioritize their oral hygiene despite stress.

SourceCase Western Reserve University·DateJul 9, 1996