News
- Earth
Leaden impacts of gum disease, smoking
Subtle bone loss associated with advanced gum disease can be linked to elevated lead concentrations in the blood.
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Novel enzyme provides sperm’s spark of life
A molecule in sperm triggers a fertilized egg to begin developing.
- Anthropology
Neandertals return at German cave site
Researchers who tracked down the location of a German cave where the first Neandertal skeleton was discovered in 1856 have unearthed new Neandertal finds.
- Astronomy
Magnetars: A missing link
A rare group of ultradense stars may be magnetars, objects with the strongest magnetic fields known in the universe.
- Health & Medicine
RNA interferes with cancer-cell growth
To curb the growth of cancer cells, scientists are silencing genes by introducing small strands of RNA.
- Physics
Neon gives healthy glow to reactor
Preferring neon to nicotine, magnetic-fusion reactors called tokamaks get a performance boost from puffs of the noble gas.
- Physics
Photon-in-a-box slings atom into orbit
A single photon confined to a tiny, mirror-lined cavity becomes electrically strong enough to swing an atom in loops.
- Earth
Ice age forest spruces up ecology record
Scientists have recently discovered a 10,000-year-old forest buried in the sand in Michigan.
- Earth
Undersea volcano: Heard but not seen
The search is on for an undersea eruption near the Japanese volcanic island chain.
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Wash that mouth out with bacteria!
Genetically engineered bacteria may stop tooth decay by replacing the ones in the mouth that destroy tooth enamel.
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Over there! Eat them instead!
An ant will ignore a single golden egg bug and attack a mating pair, a choice that may explain why singles hang around pairs.
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Bacteria make locust-swarm signal
A pheromone that helps drive locusts into a swarm comes from bacteria in their gut.
