Uncategorized
- Math
Surprisingly Square
Mathematicians take a fresh look at expressing numbers as the sums of squares.
- Health & Medicine
Immune attack on self halts nerve damage
T cells primed for autoimmune behavior may actually preserve nerves after a damaging blow.
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Catfish can track fish wakes in the dark
Infrared photography has revealed that catfish can stalk their prey by following wakes underwater.
- Health & Medicine
Enzyme defends germ against stomach acid
The newly solved structure of a Helicobacter pylori acid-fighting enzyme has scientists divided about how the enzyme works.
- Earth
Geologists take magnetic view through ice
A new map of the magnetic anomalies in Antarctica and the seafloor surrounding the continent is giving researchers a fresh tool to use in analyzing geologic features that lie hidden beneath thousands of feet of ice or storm-tossed seas.
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18949
With reference to the opinion that hemophiliacs might have expected to feel better and been less likely to treat themselves for internal bleeding following a form of gene therapy, I can only object to the suggestion that hemophiliacs can feel-better themselves out of an internal bleed. As a mother and grandmother of hemophiliacs who coped […]
- Health & Medicine
Genetically altered cells ease hemophilia
A gene therapy using skin cells that are genetically modified to make clotting proteins, multiplied in a lab, and reinjected into a person eases some bleeding in patients with severe hemophilia.
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Endangered condors lay first eggs in wild
A U.S. Fish and Wildlife Service biologist has spied a trio of California condors, released to the wild from captive-breeding programs sometime over the past 6 years, attending a pair of eggs.
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18948
The interesting article “Survey probes cosmos from near to far” set me to tilting at windmills. Even before it’s completed, the professional astronomers managing the Sloan Digital Sky Survey should enlist amateur astronomers as asteroid hunters in a way similar to how they’re mobilized by the SETI@home project to search for intelligent signals from space. […]
- Astronomy
Survey Probes Cosmos from Near to Far
Early reports from the most mammoth sky surveys ever conducted are yielding a trove of findings, including the two most distant quasars known in the universe, new knowledge about the large-scale clumping of galaxies, and more evidence about the size and distribution of asteroids in our solar system.
- Math
Möbius Accordion
Artist Susan Happersett of Jersey City, N.J., has come up with a novel twist on the venerable Möbius strip: a playful, eye-catching creation she describes as a Möbius accordion. Happersett Accordion Susan Happersett Thirteen Original Colonies. Susan Happersett Happersett Accordion Susan Happersett A Möbius strip, or band, is the remarkable one-sided surface that results from […]
- Physics
Pitching Science
A new computer model of baseball pitching helps give pitching robots humanlike abilities and may have enabled engineers to solve a half-century-old puzzle of baseball science.
