Uncategorized
- Health & Medicine
Putting the brakes on toxic shock
Scientists have discovered the cascade of molecular events that underpins many cases of toxic shock syndrome.
- Physics
New supergas debuts
A cloud of ultracold potassium atoms, manipulated by means of a magnetic field, has coalesced into a new super form of matter called a fermionic condensate.
- Health & Medicine
Some T cells may be a fetus’ best friend
While pregnant, mice overproduce a kind of T cell that reins in other immune cells that might target the fetus.
- Planetary Science
A view of Mars, European style
Although the Mars lander Beagle 2 is presumed dead, its mother craft, the European Space Agency's Mars Express, has transmitted its first data from a polar orbit about the Red Planet.
- Math
Computing on a Cellular Scale
The behavior of leaf pores resembles that of mathematical systems known as cellular automata.
- Math
Computation’s New Leaf
Plants in which large numbers of simple units interact with one another appear to compute how to coordinate the actions of their cells effectively.
- Astronomy
Bare-Naked Galaxies
A decade's worth of observations is spotlighting how the vast sea of gas surrounding a cluster of galaxies can alter the shape of a galaxy plowing through it.
- Tech
The rat in the hat
A compact positron-emission tomography (PET) brain scanner may make possible studies of awake rats that link brain functions and behaviors.
- Health & Medicine
Pill Puzzle: Do antibiotics increase breast cancer risk?
A new study links antibiotic use to breast cancer, although it's not clear the drugs cause the disease.
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In answer to this article, infections elevate activity of the immune system, so they might indirectly suppress tumors of all kinds. If so, antibiotics could increase the incidence of cancer by reducing the duration and degree of infection. The widespread practice of sterilizing our home and work environments could have a similar effect. Edward P. […]
- Health & Medicine
Drug Racing: Gene tied to HIV-drug response
A genetic mutation more common in blacks than in whites increases the odds that people taking a common HIV medicine will suffer side effects that lead them to halt treatment.
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Monkey Love: Male marmosets think highly of sex
A new brain-imaging study in marmosets suggests that males sexually aroused by the scent of females may be thinking carefully before they mate, opposing the notion that nonhuman male mammals act purely upon a primal urge.
