Search Results for: Forests
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5,531 results for: Forests
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Thinking the Hurt Away: Expectations hitch ride on pain’s brain pathway
Positive thinking exerts a calming effect on pain-related brain areas, yielding a substantial reduction in the actual perception of pain, a brain-scan investigation suggests.
By Bruce Bower -
EarthDrought’s heat killed Southwest’s piñon forests
The heat accompanying a drought and a plague of bark beetles seem to explain the deaths of swathes of piñon pine trees across the Southwest in 2002 and 2003.
By Ben Harder -
EarthBreaking Waves: Mangroves shielded parts of coast from tsunami
Along a strip of India's southeastern coastline, trees protected certain villages from last December's tsunami, while waves wiped out neighboring settlements that weren't sheltered by vegetation.
By Ben Harder -
PaleontologyMastodons in Musth: Tusks may chronicle battles between males
Damage in the fossil tusks of male mastodons suggests that the creatures engaged in fierce combat with rival males at a certain time of year each year of their adult lives.
By Sid Perkins -
TechNanotubes spring eternal
Researchers have discovered that forests of carbon nanotubes squish and expand like foams, but with extraordinary resilience.
By Peter Weiss -
Health & MedicineEbola may travel on the wing
Fruit bats can carry the Ebola virus, suggesting that they may spread it in Africa.
By Nathan Seppa -
Oceans reveal secrets of viruses
Scientists have completed the first survey of virus DNA in oceans around the world.
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EarthWoods to Waters: Wildfires amplify mercury contamination in fish
Forest fires mobilize mercury from the soil and can send the toxic metal into nearby streams and lakes where it accumulates in fish.
By Ben Harder -
AnimalsExtreme Tongue: Bat excels at saying ‘Aah’
The new champion among mammals at sticking out its tongue is a small bat from Ecuador.
By Susan Milius -
EcosystemsLife Underfoot: Microbial biodiversity takes surprising twist
When it comes to numbers of bacterial species, rainforest dirt is virtually a desert, but desert dirt bursts with biodiversity.
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Health & MedicineDebate Renewed: Diabetes drug ups heart risk
A popular diabetes drug significantly increases the risk of heart failure and heart attack in those who take it.
By Brian Vastag -
Health & MedicineBrain Sabotage: Alzheimer’s protein may spawn miniseizures
Amyloid-beta, a protein implicated in Alzheimer's disease, causes misfiring of neurons and minor brain seizures in mice.
By Nathan Seppa