News
- Earth
Uranium recorded in high-altitude ice
An international team of scientists has analyzed a lengthy core of ice and snow drilled from atop Europe's tallest mountain to produce the first century-long record of uranium concentrations in a high-altitude environment.
- Earth
Grape-harvest dates hold climate clues
The vintner's habit of picking no grapes before their time may give scientists a tool that could help verify reconstructions of European climate for the past 500 years.
- Health & Medicine
Protein may be target for Crohn’s therapy
A protein called macrophage migration inhibitory factor, or MIF, may play a role in Crohn's disease, a painful gut ailment.
- Tech
Exploding wires open sharp X-ray eye
Using exploding wires to make low-energy X-rays, a novel, high-resolution camera snaps X-ray pictures of millimeter-scale or larger objects—such as full insects—in which features only micrometers across show up throughout the image.
- Earth
Researchers confirm sea change in oceans
A new analysis of ancient seawater shows that the ocean's chemistry has fluctuated over the last half-billion years.
- Animals
Magnetic field tells nightingales to binge
Young birds that have never migrated before may take a cue from the magnetic field to fatten up before trying to fly over the Sahara.
- Health & Medicine
Even high-normal blood pressure is too high
Blood pressure at the high end of what is defined as the normal range is closer to "high" than to "normal" in terms of risk of associated heart disease.
- Astronomy
X-ray study: Energy from a black hole?
Astronomers claim that for the first time, they've observed energy extracted from a black hole, or more precisely, from the tornadolike swirl of surrounding space that a spinning black hole drags along with it.
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Disabilities develop as family affair
A long-term study uncovered family factors that influence the mental development of children with biologically based disabilities, as well as evidence of increasing stress among parents as their kids with disabilities approach adolescence.
- Health & Medicine
Puffer Fish Genomes Swim into View
The tightly packed genomes of two puffer fish species have been deciphered.
- Earth
How polluted is a preschooler’s world?
Preliminary data from a new study show that children may ingest traces of atrazine, a common herbicide, in their drinking water.
- Earth
Kitchen tap may offer drugs and more
Excreted drugs and household chemicals are making their way through community waste-treatment and drinking-water plants.
