Relativity Derived Without Calculus -- Possibly Centuries Ago
Oct 08, 2007 |
4.3 / 5 (141) |
4
After Einstein developed his theories of special and general relativity, in 1905 and 1916, respectively, the world of physics changed dramatically. The theories, with their groundbreaking ideas on space and ...
Newfound ancient African megadroughts may have driven the evolution of humans and fishes
Space & Earth / Earth Sciences
Oct 08, 2007 |
4.6 / 5 (37) |
0
From 135,000 to 90,000 years ago tropical Africa had megadroughts more extreme and widespread than any previously known for that region, according to new research.
Scientists developing clean energy systems from micro-algae
Biology /
Oct 08, 2007 |
4.6 / 5 (28) |
1
An international consortium established by an Australian scientist is developing a clean source of energy that could see some of our future fuel and possibly water needs being generated by solar-powered bio-reactors and micro-algae ...
Taming tiny, unruly waves for nano optics
Oct 08, 2007 |
4.3 / 5 (26) |
0
Nanoscale devices present a unique challenge to any optical technology -- there’s just not enough room for light to travel in a straight line.
Nanoballs deliver drugs
Nanotechnology / Bio & Medicine
Oct 08, 2007 |
4.4 / 5 (14) |
0
Dutch researcher Cristianne Rijcken has developed a new type of biodegradable nanoparticle. The spherical structures can encapsulate various fat-soluble medicines, which makes it easier to target tumour tissue. These nanoballs ...
Transcend Introduces New aXeRam Overlocking Memory Kit
Oct 08, 2007 |
4.1 / 5 (8) |
0
The new DDR aXeRam Overlocking Memory Kit has received favorable comments by system builders and enthusiasts. The new product provides low voltage stability, and low CAS latency. This high performance memory ...
Hip size of mothers linked to breast cancer in daughters
Oct 08, 2007 |
4.2 / 5 (17) |
0
In a study of the maternity records of more than 6,000 women, David J.P. Barker, M.D., Ph.D., and Kent Thornburg, Ph.D., of Oregon Health & Science University discovered a strong correlation between the size and shape of ...
Researchers create system to build transplant tissue
Biology /
Oct 08, 2007 |
4.9 / 5 (16) |
0
One day soon, laboratories may grow synthetically engineered tissues such as muscle or cartilage needed for transplants. In a major step forward, Cornell engineers describe in the journal Nature Materials a micr ...
Cutting carbon: New tech traps, stores airborne emissions
Oct 08, 2007 |
4.2 / 5 (13) |
1
In a finding that could shrink the massive carbon footprint of cars worldwide, a New York scientist has proposed an industrial technology that captures CO2 directly from the atmosphere. The study is scheduled ...
Cassini is on the Trail of a Runaway Mystery
Space & Earth / Space Exploration
Oct 08, 2007 |
4.5 / 5 (15) |
0
NASA scientists are on the trail of Iapetus' mysterious dark side, which seems to be home to a bizarre "runaway" process that is transporting vaporized water ice from the dark areas to the white areas of the ...
FUSE Space Telescope Reaches the End; Astronomers Say Farewell
Oct 08, 2007 |
4.8 / 5 (8) |
0
The intrepid never-say-die space telescope known as FUSE has finally reached its mission's end and will be turned off after more than eight years of discoveries on everything from planets and nearby stars ...
Which came first, the chicken genome or the egg genome?
Oct 08, 2007 |
4 / 5 (10) |
1
Which came first, the chicken genome or the egg genome? Researchers have answered a similarly vexing (and far more relevant) genomic question: Which of the thousands of long stretches of repeated DNA in the ...
Plant viruses from past provide ecological clues
Biology /
Oct 08, 2007 |
4.8 / 5 (8) |
0
Taking the medical history of a grassland may seem a bit esoteric – after all, how sick can grass be? However, scientists have discovered plant viruses from as early as 1917 containing information crucial ...
VLBA Changes Picture of Famous Star-Forming Region
Oct 08, 2007 |
4.6 / 5 (11) |
0
Using the supersharp radio "vision" of the National Science Foundation's Very Long Baseline Array (VLBA), astronomers have made the most precise measurement ever of the distance to a famous star-forming region. ...
Study shows genetically engineered corn could affect aquatic ecosystems
Oct 08, 2007 |
4.4 / 5 (14) |
0
A study by an Indiana University environmental science professor and several colleagues suggests a widely planted variety of genetically engineered corn has the potential to harm aquatic ecosystems. The study is being published ...
