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Thyroid Linked to Some Frog
Defects
Much of an epidemic of frog deformities appears to trace to water
pollutants that disrupt the production or action of thyroid hormones.
Dancer gets first ovarian-tissue transplant
Transplantation of ovarian tissue into a prematurely menopausal woman
restored her ability to ovulate.
Taiwan quake floods scientists with data
Last week’s quake promises to be the most closely documented earthquake
in history.
Cave finds revive Neandertal
cannibalism
The butchered skeletal remains of six individuals offer compelling
evidence of Neandertal cannibalism around 100,000 years ago.
Faulty control gene underlies
retardation
Rett syndrome, a common cause of severe retardation in women, is caused by
a gene on the X chromosome that regulates other genes.
NASA loses Mars Climate Orbiter
Dipping too low into the Martian atmosphere, the Mars Climate Orbiter
apparently burned up or was torn apart on September 23, minutes after it
was to have entered orbit around the Red Planet.
Presumed mute, liquid crystals sound off
The liquid crystals ubiquitous in electronic displays give off previously
unnoticed sounds, albeit too faint for people to hear.
Physicians find clues to vision deterioration
Age-related macular degeneration, a disabling eye disease, may stem from
an overeager immune response to mild retinal cell injury or from poor
blood flow to the retina.
The Strangest Home on Earth
Looking for frosty life in a lake under Antarctica
An immense ice-covered lake may harbor ancient species of microbes,
unknown to science, that are able to withstand conditions at the edge of
survivability.
Making the Cut
Scientists exploit proteins that perform surgery upon themselves
Some proteins contain a portion that cuts itself out and melds the two
remaining fragments together to form the final, active molecule.
Astronomy
Galileo spies Io’s light show
Eerie flashes of blue, green, and red recorded by the Galileo spacecraft
reveal that Jupiter’s moon Io has the most dazzling auroras in the solar
system.
Icy cracks may betray Europan ocean
A new study adds to the circumstantial evidence that Jupiter’s moon
Europa harbors a subterranean ocean—a possible haven for
extraterrestrial life.
Biology
Unemployed bees get job taking heat
Adult bees cluster to form a living shield that protects the brood from
overheating.
Killer skin fungus nails boreal toads
Scientists confirm a chytrid outbreak killing boreal toads in Colorado,
the second cluster of fungal fatalities in wild U.S. amphibians.
Biomedicine
Nighttime hormone helps starve cancers
Linoleic acid, the primary fat in corn oil, can fuel the growth of certain
cancers in rats, but only in the absence of melatonin, a brain hormone
produced at night.
Cancers pick up GLUT of vitamin C
Certain cancers have evolved a way to take up copious amounts of vitamin
C, which could compromise cancer therapy.
Mathematics
Curving beyond Fermat’s last theorem
Four mathematicians have offered a proof of the Taniyama-Shimura
conjecture, extending the earlier work that led to a proof of Fermat’s
last theorem by Princeton’s Andrew Wiles.
Crunching Internet security codes
By factoring a number consisting of 155 decimal digits, researchers have
demonstrated that numbers typically used in the so-called RSA encryption
scheme for securing information on the Internet no longer provide adequate
protection.
