Uncategorized
- Anthropology
The Way We Were
Dig into news, educational material, and even an online documentary about the contentious science of human evolution. This impressive Web site is operated jointly by the Institute of Human Origins and Arizona State University. Go to: http://www.becominghuman.org/
- 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.
- 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.
- 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.
- Health & Medicine
Taking a toll: Antiviral drugs activate immune system
Promising antiviral drugs activate a key immune-system protein.
- 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.
-
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.
- 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.
- Math
Algebraic Hearts
One of the marvels of mathematics is the way in which an austere equation can unexpectedly blossom into an appealing geometric shape when represented graphically. Cardioid. Picture of an algebraic heart. Gabriel Taubin A heart surface colored according to Gaussian curvature (left) and direction (right). Michael Trott/Wolfram Research A heart-y prime puzzle. Ed Pegg Jr. […]
- 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.
-
Unfertilized monkey eggs make stem cells
Scientists have for the first time obtained long-lived stem cells from monkey eggs stimulated to undergo parthenogenesis.
- 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.
