News
- Animals
Yellower blue tits make better dads
The yellow feathers on a male blue tit's breast could tell females that he'll be a good provider for the chicks.
By Susan Milius - Plants
Tropical plants grow cool flowers
Tropical plants that position their flowers in the general direction of the sun are keeping the temperature comfortable for pollinators.
By Susan Milius - Humans
Protection money: Budget favors defense and bioterror research
The budget proposal that President Bush forwarded to Congress includes the largest-ever increase for scientific research and development, with particularly generous provisions for defense and health research programs.
By Ben Harder - Planetary Science
Extreme weather: Massive hurricanes meet on Jupiter
Both professional and amateur sky watchers are pointing their telescopes at Jupiter as two titanic storms in the giant planet's upper atmosphere meet each other.
By Ron Cowen - Health & Medicine
Slowing lupus: Stifled inflammation limits kidney damage
A new therapy for the autoimmune disease lupus works in mice by thwarting activation of immune-system proteins called complement.
By Nathan Seppa - Health & Medicine
Taking a toll: Antiviral drugs activate immune system
Promising antiviral drugs activate a key immune-system protein.
By John Travis - Earth
Hard rock jellies: Throng of rare fossils found in Midwest quarry
A Wisconsin sandstone quarry recently served up a rare scientific find nearly a half billion years in the making: fossils of an armada of jellyfish that stud the site’s stone slabs.
By Sid Perkins -
Dose of caution: New antipsychotic meds produce muted benefits
A large clinical trial finds only a modest advantage for a new class of antipsychotic drugs over traditional medications in treating chronic schizophrenia.
By Bruce Bower - Tech
Circuitry in a nanowire: Novel growth method may transform chips
Made from alternating bands of different semiconductors, a new type of superthin wire incorporates working electronic and optical devices within the wire itself, raising the prospect of making extremely tiny and versatile circuits from the striped filaments.
By Peter Weiss - Physics
Light comes to halt again—in a solid
By stopping laser light pulses cold in a crystal, storing them, and then releasing them, physicists have achieved the same feat accomplished last year in gases, but this time in a more practical material.
By Peter Weiss -
Unfertilized monkey eggs make stem cells
Scientists have for the first time obtained long-lived stem cells from monkey eggs stimulated to undergo parthenogenesis.
By John Travis - Health & Medicine
Heart recipients add their own cells
Transplanted hearts incorporate muscle and blood-vessel cells from their new host, suggesting that the heart may regenerate its own tissue.
By Nathan Seppa