Uncategorized
- Health & Medicine
Coconspirator? Genital herpes linked to cervical cancer
Having a genital herpes infection doubles the risk of cervical cancer among women who have human papillomavirus.
- Astronomy
Neutron Star Stuff: Just neutrons, no quarks
A new study suggests that although neutron stars may be weird, they’re not strange.
- Math
Math Trails in Ottawa
Housed in a spectacular building redolent of crystals and light, the National Gallery of Canada in Ottawa was recently the setting for a highly unusual school event–a mathematics field trip! National Gallery of Canada For several years, math teacher Ron Lancaster of Hamilton, Ontario, has been creating “math trails” for both students and teachers as […]
- Tech
Nanotech Switch: Strategy controls minuscule motor
Researchers have modified a rotating protein fragment so that it starts and stops spinning with the addition and removal of zinc.
- Earth
Wildfire Below: Smoldering peat disgorges huge volumes of carbon
Set alight by wildfires, thick beds of decaying tropical plant matter can pump massive amounts of carbon into the atmosphere, rivaling those produced globally each year from the combustion of fossil fuels.
- Physics
Laser links segue to chemical bonds
Light can knit matter together until other bonds take over, providing a potentially useful approach to building nanometer-scale structures and materials.
- Physics
Electron cycling in quantum confines
A lone electron zips around in the tightest circle allowed by quantum mechanics in an extraordinarily small, frigid cyclotron, potentially allowing scientists to nail down some fundamental constants of physics more precisely than ever before.
- Health & Medicine
Nervous tics in the heart
The irregular heartbeats sometimes triggered after a heart attack may be caused by abnormal nerve growth in heart tissue damaged by the attack.
- Health & Medicine
Waiting to exhale
A breath test that measures the activity of an enzyme involved in breaking down drugs in a person's body may help doctors minimize side effects from potent drugs such as docetaxel.
- Astronomy
New views of Jovian moons
The Galileo spacecraft has taken the highest-resolution images ever recorded of three of Jupiter's small, innermost moons.
- Astronomy
Galaxies shine light on dark matter
Using a cosmic mirage known as gravitational lensing, astronomers have developed detailed maps of the distribution of dark matter, the invisible material believed to make up 90 percent of the mass of the universe.
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