Uncategorized
- Genetics
Ancient Siberian bones clarify Native American origins
Some New World ancestors came from western Eurasia, not East Asia.
- Planetary Science
Ancient Martian meteorite preserves chunks of planet’s early crust
Rock could reveal what Mars was like 4.4 billion years ago.
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- Animals
Comb jelly immune system can spot old enemies
Animal at base of family tree could help researchers understand the evolution of immunity.
- Ecosystems
Virus-blocking insects taking over Vietnamese island
Field trial tests mosquitoes that may stop the spread of dengue infection.
- Anthropology
Human ancestors threw stone-tipped spears at prey
African discoveries show that hunting weapons thrown from a distance appeared by 279,000 years ago.
- Health & Medicine
Quick cooling after cardiac arrest questioned
For a decade, doctors have made induced hypothermia standard practice.
- Animals
Mothballs, rubbing alcohol score poorly in tests of DIY bedbug control
Mattress encasement, dry ice in bags, hot clothes dryers do help control infestation.
- Earth
Fire may smolder under Antarctic ice
Quakes hint at moving magma that could influence glacial flow.
- Astronomy
Solar explosion forms ‘Canyon of Fire’
Just when the sun was looking especially lethargic, a violent eruption left behind a vast chasm of superheated gas on the solar surface.
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- Health & Medicine
Changes in malaria parasite may make Africans more susceptible
Ominous signals are emerging simultaneously in population studies and under the microscope that Plasmodium vivax, a malaria parasite well known in Asia and Latin America, may have found a way to infect Africans.
