Robot walks on water
Jul 11, 2007 |
4.1 / 5 (133) |
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Water striders, insects that walk on the surface of the water, may never set foot on land in their lives, and yet they’re not swimmers. Over the past million or so years, this insect—sometimes called a water ...
Researchers discover human embryonic stem cells are the ultimate perpetual fuel cell
Jul 11, 2007 |
4.6 / 5 (52) |
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A startling discovery on the development of human embryonic stem cells by scientists at McMaster University will change how future research in the area is done.
Search for the water of life -- Astronomers find water on extra-solar planet
Jul 11, 2007 |
4.6 / 5 (50) |
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Researchers at UCL (University College London) are part of an international team which has discovered water on an extra-solar planet for the first time. Findings will be published in this week’s Nature.
Astronomers find the most distant known galaxies
Jul 11, 2007 |
4.5 / 5 (37) |
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Using natural ‘gravitational lenses’, an international team of astronomers claim to have found a hint of a population of the most distant galaxies yet seen - the light we see from them today left more than ...
Has science unearthed the Holy Grail of pain relief?
Jul 11, 2007 |
4.1 / 5 (32) |
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Scientists studying one of nature's simplest organisms have helped to unravel the structure of a key molecule that controls pain in humans.
Researchers discover evidence of very recent human adaptation
Biology /
Jul 11, 2007 |
4.4 / 5 (23) |
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A Cornell study of genome sequences in African-Americans, European-Americans and Chinese suggests that natural selection has caused as much as 10 percent of the human genome to change in some populations in the last 15,000 ...
Chandra Finds Star With a Mystery Partner
Jul 11, 2007 |
4.3 / 5 (18) |
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When stars are more massive than about 8 times the Sun, they end their lives in a spectacular explosion called a supernova.
When it comes to walking, it's all good
Jul 11, 2007 |
4.6 / 5 (16) |
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These days, it’s easy for people to get confused about exercise -- how many minutes a day should they spend working out, for how long and at what exertion level? Conflicting facts and opinions abound, but one Mayo Clinic ...
Piecing together the cyanobacteria puzzle
Biology /
Jul 11, 2007 |
4.8 / 5 (15) |
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Blue green algae are significant species in the global carbon cycle because they transform nitrogen gas from the atmosphere into a useable nutrient, enabling photosynthesis in nutrient-poor waters.
Nanobubbles Deliver Targeted Cancer Drugs Using Ultrasound
Nanotechnology / Bio & Medicine
Jul 11, 2007 |
4.9 / 5 (14) |
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A new targeted drug delivery method uses ultrasound to image tumors, while also releasing the drug from "nanobubbles" into the tumor.
A First-Principles Model of Early Evolution
Biology /
Jul 11, 2007 |
3.8 / 5 (11) |
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In a study publishing in PLoS Computational Biology, Shakhnovich et al present a new model of early biological evolution – the first that directly relates the fitness of a population of evolving model organisms to the pr ...
New light cast on key chemical reactions in interstellar space
Jul 11, 2007 |
4.2 / 5 (10) |
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A detailed understanding of key chemical reactions that take place in interstellar space has been provided by groundbreaking research at two U.S. Department of Energy national laboratories and two European universities.
Benchmark survey shows that giant outer extrasolar planets are rare
Jul 11, 2007 |
4.8 / 5 (8) |
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Astronomers who used powerful telescopes in Arizona and Chile in a survey for planets around nearby stars have discovered that extrasolar planets more massive than Jupiter are extremely rare in other outer ...
Arizona State scientists keep an eye on Martian dust storm
Space & Earth / Space Exploration
Jul 11, 2007 |
4.8 / 5 (6) |
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Scientists at Arizona State University's Mars Space Flight Center are using the Thermal Emission Imaging System (THEMIS) on NASA's Mars Odyssey orbiter to monitor a large dust storm on the Red Planet. The ...
The cell phone connects to the hip bone
Jul 11, 2007 |
4.2 / 5 (6) |
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U.S. scientists are developing a technology that allows mobile electronic devices to communicate by sending vibrations through bones.
