Jaws Emerged From Sharklike Changes in Gene Activity
A University of Reading researcher suggests jaws appeared when a Hox gene faded in certain embryos. Lampreys, jawless fish, show activity of a mouth‑forming Hox gene, whereas jawed animals do not. The study ties morphological innovation to genetic regulation during evolution.
MENTIONED IN THIS ARTICLE
Nature
University of Reading
England
Hand washing saves lives and health habits linger
Davis Piazza at Meredith College demonstrates hand washing to prevent disease while CDC data and studies reveal that most adults claim to wash after using public restrooms but far fewer actually do. The piece notes meningococcal meningitis scares, parent responses in Raleigh, and historical lessons on hand hygiene. It cites disease, vaccines, and risk perception as drivers of behavior.
MENTIONED IN THIS ARTICLE
Ellen Brewer
Meredith College
North Carolina
Davis Piazza
Davis
Federal
Centers For Disease Control and Prevention
Raleigh
N.C
Vienna
Handwashing basics and times to wash hands
Guidance covers washing before during and after food prep and meals, after bathroom use, after handling animals, diapers, sneezing, coughing, or helping with tissues, and when someone near you is ill. Emphasizes wet soap lather scrub for 15 seconds, rinse dry, use a towel to turn off water, with sanitizer as backup when water is unavailable.
New Cholesterol Guidelines Clarify LDL and Testing Rules
The update preserves total cholesterol values while fine tuning LDL targets. It calls for a complete lipid profile including total cholesterol HDL LDL and triglycerides after a 12 hour fast, with LDL goals tied to risk: under 100 mg/dL for high risk under 130 for intermediate under 160 for low risk.
MENTIONED IN THIS ARTICLE
Scranton, Pa
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