Simplicity may be key to robotic self-reproduction
Jun 05, 2007 |
4.6 / 5 (45) |
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“Self-reproduction is one of the remarkable feats of biological systems which has remained largely outside the scope of capabilities of traditional engineered systems,” explains Victor Zykov and his colleagues ...
Discovery of oldest human decorations -- thought to be 82,000 years old
Other Sciences / Archaeology & Fossils
Jun 05, 2007 |
4.4 / 5 (29) |
0
Archaeologists have discovered shell beads believed to be 82,000 years old – making them the oldest dated human decorations.
Algorithm could help chipmakers work with tangles of nanotubes
Jun 05, 2007 |
4.4 / 5 (22) |
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Concerned that current methods for making computer chips might become stymied as components keep shrinking, many engineers are looking for circuit building blocks with improved electrical properties.
SanDisk Launches 64 Gigabyte Solid State Drives for Notebooks
Jun 05, 2007 |
4.5 / 5 (19) |
0
Reaching for the “sweet spot” of memory storage for laptop computers, SanDisk today expanded its line of solid state drive products with the introduction of a 64-gigabyte (GB) SSD aimed at both enterprise ...
Pieces of Catalyst Puzzle Explained
Jun 05, 2007 |
4.4 / 5 (15) |
0
Catalysts speed up chemical reactions, as in your car’s catalytic converter, and they even double as clichés, as in “catalyst for change,” but how they work remains a mystery.
Lack of bathroom breaks hurts children
Jun 05, 2007 |
4.6 / 5 (14) |
0
Urinary tract and bladder issues may be forming in children due to irregular urination habits caused by not being allowed to use the toilet at school.
Crammed with charged DNA, pressure rises inside virus
Biology /
Jun 05, 2007 |
4.3 / 5 (14) |
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It could be an artist’s depiction of someone’s stomach before and after a rather decadent meal. But it is a 3-D cryoelectron microscope reconstruction of the cross-section of a virus, before and after cramming ...
A new plant-bacterial symbiotic mechanism promising for crop applications
Biology /
Jun 05, 2007 |
4.5 / 5 (11) |
0
The growth of most plants depends on the presence of sufficient amounts of nitrogen contained in the soil. However, a family of plants, the legumes, is partially free of this constraint thanks to its ability to live in association ...
Geoengineering: a quick fix with big risks
Space & Earth / Earth Sciences
Jun 05, 2007 |
2.9 / 5 (16) |
0
Radical steps to engineer Earth’s climate by blocking sunlight could drastically cool the planet, but could just as easily worsen the situation if these projects fail or are suddenly halted, according to a new computer modeling ...
It's safe for obese moms-to-be to lose weight during pregnancy
Jun 05, 2007 |
4.9 / 5 (9) |
0
Most women who are obese can safely exercise and diet to lose weight during pregnancy, according to a small pilot study conducted by Saint Louis University researchers.
Hundreds of Antarctic Peninsula glaciers accelerating as climate warms
Space & Earth / Earth Sciences
Jun 05, 2007 |
3.9 / 5 (11) |
0
Hundreds of glaciers on the Antarctic Peninsula are flowing faster, further adding to sea level rise according to new research published this week in the Journal of Geophysical Research. Climate warming, that ...
Older men may not live as long if they have low testosterone
Jun 05, 2007 |
4.8 / 5 (9) |
0
Low levels of testosterone may increase the long-term risk of death in men over 50 years old, according to researchers with the Department of Family and Preventive Medicine at the University of California, San Diego School ...
Study of underground lakes in Antarctica could be critical, prof says
Space & Earth / Earth Sciences
Jun 05, 2007 |
4.3 / 5 (9) |
0
The discovery of interconnected lakes beneath kilometers of ice in Antarctica could be one of the most important scientific finds in recent years, but proper procedures need to be established before investigation begins, ...
Economic impact of hunger affects all Americans
Jun 05, 2007 |
3.3 / 5 (11) |
0
While thirty-five million Americans feel the physical effects of hunger each day, every household and individual in our nation feels the economic effects. So finds a new study released today by the Sodexho Foundation and ...
Hitachi Ships Quarter-terabyte Laptop Hard Drive
Jun 05, 2007 |
3.4 / 5 (10) |
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Hitachi Global Storage Technologies is today announcing volume shipment of the industry’s highest-performing and lowest power-consuming laptop hard disk drive at a quarter terabyte of capacity.
