Uncategorized
- Humans
From the June 27, 1936, issue
A revolution in image transmission, a thicker molecular film, and diabetes on the rise.
- Math
Mathematical Imagery
A new addition to the American Mathematical Society Web site, this set of pages features albums of math-inspired and mathematically-generated artworks. Many images can be sent as e-cards. The site also offers links to online galleries and museums and other resources about mathematics and art. Go to: http://www.ams.org/mathimagery/
- Health & Medicine
Lavender Revolution: Plant essences linked to enlarged breasts in boys
Two natural ingredients in many hair- and skin-care products act like a female sex hormone and can cause abnormal breast development in boys.
-
19703
If the estrogenic properties of lavender oil and tea tree oil are actually sufficient to produce these effects in young boys, could they produce potentially more serious negative impacts on women with estrogen-positive breast cancer? I know that some oncologists recommend products containing tea tree oil to help relieve problems experienced by women undergoing chemotherapy. […]
- Chemistry
Sweet Synthesis: Fructose product could replace chemicals from oil
A new study describes the efficient use of fructose toward making a renewable building block for many useful chemicals.
- Astronomy
Planet-making disk has a banana split
Two banana-shaped arcs of gas and dust face each other within a newly discovered planet-forming disk that surrounds a young, nearby star.
-
19702
The photo in this article looks to me more like a solar eclipse, complete with a clear-cut circular blackout in the center and flares. Mike PattersonGrand Rapids, Mich. The similarity is because astronomers used an occulting disk on the telescope to block the glare of the central star .—R. Cowen
- Health & Medicine
Measuring Stick: Spinal tap test tracks Alzheimer’s compound
A new test is the first to measure production and clearance of amyloid-beta in the cerebrospinal fluid of people, enabling scientists to track this Alzheimer's disease peptide.
-
Getting Back at Celiac: Enzyme treatment might stem wheat intolerance
A combination of two enzymes could eventually treat celiac disease, an inherited digestive disorder.
- Tech
Hot Prospect: Simple burner keeps pollution counts down
A new type of combustion chamber reduces pollution with less complexity and a safer, more reliable design.
-
19701
This article makes two questionable assertions. First, Tyrannosaurus rex might well have had excellent binocular vision and been a predator, but still have had a handicap for the detection of motion as my cats do. Second, when Thomas R. Holtz Jr. states that binocular vision “almost certainly was a predatory adaptation,” that puts us binocular […]
- Paleontology
Sight for ‘Saur Eyes: T. rex vision was among nature’s best
A study of dinosaur eyes finds that Tyrannosaurus rex had very sophisticated vision that may have helped its predatory abilities.
