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3,584 results
3,584 results for: assessments
- Animals
Year in review: The post-pigeon century
Birds' troubles received an eerie emphasis in the news when biologists marked the 100th anniversary of the death of the last known passenger pigeon.
- Archaeology
Ancient Egyptian blue glass beads reached Scandinavia
Chemical analysis of Danish discoveries extends northern reach of Bronze Age trade.
- Health & Medicine
Cells in groups may promote cancer’s spread
Cellular gangs, not individuals, form distant tumors from breast malignancies, a new study finds.
- Health & Medicine
Aspirin’s heart benefits not a slam dunk
No survival gain found in people age 60 and over who took daily dose of aspirin.
- Animals
Scientists’ tags on fish may be leading seals to lunch
In an experiment, 10 young grey seals learned to associate the sound of a pinging tag with fish. The tags may make fish vulnerable to predators, scientists say.
- Life
Tasty animals end up on latest list of threatened species
Growing food market lands several species, including Pacific bluefin tuna and Chinese pufferfish, on the IUCN Red List of Threatened Species.
- Health & Medicine
Children can suffer emotional wounds in a disaster
Natural disasters and terrorist attacks have taught researchers that a subset of children may face long-term problems. Parent reactions and how quickly life returns to normal can make a difference.
- Earth
Studying a volcano in a war zone
New isotope analyses offer bad news for the people of Goma, a burgeoning city in the Democratic Republic of the Congo: Mount Nyiragongo may be more dangerous than expected.
- Environment
Oil from BP spill may be sitting on seafloor
More than four years after the Deepwater Horizon disaster in the Gulf of Mexico, scientists find that oil is still lingering over a large area on the seafloor.
- Health & Medicine
Heavy milk drinking may double women’s mortality rates
In a study of 60,000 Swedes, drinking three or more classes of milk a day was associated with higher chances of death, cancer and hip fractures.
- Math
Reproducing experiments is more complicated than it seems
Statisticians have devised a new way to measure the evidence that an experimental result has really been reproduced.
- Neuroscience
Dyslexic brain may solve some math problems in a roundabout way
Children with dyslexia rely heavily on right brain to do addition problems.
