Uncategorized
- Humans
Insect Close-Ups
Psychology professor David Yager of the University of Maryland has focused his research on the evolution of hearing. In the course of this work, he has produced extraordinary, close-up portraits of a variety of insects. His image of a Cuban cockroach recently won second place for photography in the National Science Foundation’s annual Science and […]
- Health & Medicine
Prep Work: Bird-flu vaccine might work better with primer
Giving people a vaccine against an existing form of avian influenza might help them respond better when given a shot for a future strain of the virus during a pandemic.
- Astronomy
Assault on Andromeda: Nearby galaxy had recent collision
New findings suggest that a small galaxy recently plunged into Andromeda, opening a new window on collisions that are rare today but were common in the early universe.
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This article states, “Several billion years from now, scientists predict, the galaxy and the Milky Way will collide. . . .” How can galactic collisions occur in an expanding universe, where galaxies should be moving away from each other? James HendryFlorissant, Mo. On the large scale, objects are indeed receding from each other. But locally, […]
- Physics
Vanishing Actor: Physicists unveil first invisibility cloak
The first functional invisibility cloak, which operates at microwave frequencies, has emerged from the laboratory.
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Quirky Cardiology: Crocs’ hearts may aid their digestion
The crocodile's ability to direct oxygen-depleted blood to its stomach may be instrumental in digesting large, bony meals.
- Chemistry
Back on the Table? Element 118 is served up again
A team of nuclear chemists from the United States and Russia have announced the brief reappearance of element 118.
- Planetary Science
A sunrise view of Mars
The first high-resolution images sent by the Mars Reconnaissance Orbiter support the notion that water once flowed across much of the Red Planet.
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Horns vs. Sperm: Male beetles on tight equipment budget
A group of dung beetle species that sprout elaborate horns often face trade-offs between horn and testes sizes.
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Autism’s DNA Trail: Gene variant tied to developmental disorder
A study of more than 700 families with children diagnosed with autism has identified a gene variant, already known to affect brain formation, that boosts a person's chances of developing this severe disorder.
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I am a retired high school mathematics teacher who has quilted mathematical ideas for over 20 years. Currently, I am working on a quilt called Pascal’s Pumpkin. I was totally excited by this article and began to think about quilting some spidrons! Elaine EllisonWest Lafayette, Ind.
- Math
Swirling Seas, Crystal Balls
A remarkable geometric shape made up of a sequence of triangles leads to a host of intriguing forms and mobile structures.
