News
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Health & MedicineDown syndrome’s anti-tumor effect
The chromosomal abnormality that causes Down syndrome might protect against some solid tumors.
By Nathan Seppa -
Foster care benefits abandoned kids
Orphan infants living in Romanian institutions who were randomly assigned to receive foster care showed marked improvements in thinking and reasoning skills by age 4-1/2, compared with their peers who remained institutionalized.
By Bruce Bower -
PaleontologyThe warm jungles of ancient France
Chemical analyses of amber excavated near Paris suggest that France was covered with a dense tropical forest about 55 million years ago.
By Sid Perkins -
AnimalsPurring birds teach their chicks to beg
African birds called pied babblers teach their chicks that certain parental noises mean food is on the way.
By Susan Milius -
Health & MedicineSmoking ups risk for type 2 diabetes
Smoking increases the risk of developing type 2 diabetes by up to 61 percent.
By Brian Vastag -
Health & MedicineAddiction Alleviator? Hallucinogen’s popularity grows
The unsanctioned use of an obscure hallucinogen, ibogaine, to treat addiction has exploded recently.
By Brian Vastag -
Reading the Repeats: Cells transcribe telomere DNA
Scientists have discovered that human cells make RNA transcripts of telomeres, the repetitive DNA at the ends of chromosomes, a finding that could have implications for understanding aging and cancer.
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PaleontologyWhales started small
The ancestors of whales, some of which are the largest creatures ever to evolve, probably were mammals no larger than a fox.
By Sid Perkins -
Damage Control: Brain injuries fight off PTSD in vets
Damage to either of two brain regions protects combat veterans against developing the severe stress ailment known as post-traumatic stress disorder, a finding with implications for treating this condition.
By Bruce Bower -
AstronomyTwinkle, Twinkle: Dark matter may have lit up first stars
The earliest stars in the universe might have been fueled by dark matter instead of nuclear fusion.
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EarthPlowing the Ancient Seas: Iceberg scours found off South Carolina
Recent sonar surveys off the southeastern United States have detected dozens of broad furrows on the seafloor that were carved by icebergs during the last ice age.
By Sid Perkins -
Health & MedicineNew Task: Malaria drug might inhibit some cancers
The antimalarial drug chloroquine may prevent some cancers.
By Nathan Seppa