3,967 results
3,967 results for: Dogs
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Possible Worlds
A growing number of reports highlight imagination's pervasive influence on thinking, one example of which is the surprisingly large proportion of well-adjusted preschoolers who play with make-believe companions.
- Health & Medicine
Delaying Dementia
The limited success of attempts to treat Alzheimer's disease with several compounds that appear able to prevent the disorder suggests that the window for derailing the development of the illness may close years before cognitive decline becomes evident.
- Tech
Matrix Realized
Devices called brain-computer interfaces could give paralyzed patients the ability to flex mechanical limbs, steer a motorized wheelchair, or operate robots through sheer brainpower.
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Memory echoes in brain’s sensory terrain
The process of remembering an event reactivates brain regions that were involved in initially seeing or hearing the event.
- Animals
How blind mole rats find their way home
The blind mole rat is the first animal discovered to navigate by combining dead reckoning with a magnetic compass.
- Health & Medicine
Food Colorings
Many deeply hued plant pigments appear to offer health benefits, from fighting heart disease and obesity to preserving memory.
- Health & Medicine
Domestic Disease: Exotic pets bring pathogens home
The potentially deadly monkeypox virus has spread from Africa to people in several states via infected pet prairie dogs.
- Humans
Letters from the April 10, 2004, issue of Science News
Inaction verbs? Regarding “The Brain’s Word Act: Reading verbs revs up motor cortex areas” (SN: 2/7/04, p. 83: The Brain’s Word Act: Reading verbs revs up motor cortex areas), did the researchers image the brains of disabled people who know the meaning of a verb but can’t perform the action, or of people without any […]
- Animals
Jungle Genes: First bird genome is decoded
Researchers have unveiled a draft of the first bird genome to be sequenced, a vintage chicken.
- Paleontology
Flightless Feathered Friends
New finds of fossil penguins, as well as analyses of the characteristics and DNA of living penguins, are shedding light on the evolution of these flightless birds.
- Anthropology
Evolution’s Lost Bite: Gene change tied to ancestral brain gains
In a controversial new report, a research team proposes that an inactivating gene mutation unique to people emerged around 2.4 million years ago and, by decreasing the size of jaw muscles, set the stage for brain expansion in our direct ancestors.
- Humans
Science News of the Year 2004
A review of important scientific achievements reported in Science News during the year 2004.
