6,813 results
6,813 results for: Insects
- Paleontology
Early Flight? Winged insects appear surprisingly ancient
New analyses of a fossil suggest that winged insects may have emerged as early as 400 million years ago.
- Plants
Green Red-Alert: Plant fights invaders with animal-like trick
Mustard plants' immune systems can react to traces of bacteria with a burst of nitric oxide, much as an animal's immune system does.
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Flies ‘R’ Us: Fruit fly cells mimic the mammalian pancreas
A new study suggests that the common fruit fly has cells that function much as those in the human pancreas do.
- Humans
Letters from the January 22, 2005, issue of Science News
Timely comments The researchers featured in “Summer births linked to schizophrenia” (SN: 11/6/04, p. 301) suggest that a higher incidence of schizophrenia may be due to summer-related infections “or other seasonal factors.” June and July births would have been in early gestation during late fall and winter, when there is increased incidence of depression among […]
- Animals
Trail Mix: Espionage among the bees
Tests with two kinds of stingless bees suggest that the more aggressive species uses scent-based espionage to target raids on the milder species' food.
- Paleontology
Fossil find extends ants’ ancient lineage
The recently described, 92-million-year-old fossil of a primitive worker ant pushes back the first record of its particular subfamily by 40 million years, forcing researchers to reevaluate their ideas about the early evolution of these insects.
- Humans
Science News of the Year 2005
A review of important scientific achievements reported in Science News during the year 2005.
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Wild tobacco heeds ‘ouch’ from sagebrush
Biologists studying wild tobacco and sagebrush say they have found a case of interspecies plant communication in the field.
- Humans
From the June 16, 1934, issue
Fanciful creations of the photographer's art, the possible addition of element 93 to the periodic table, and a Triceratops skull on display.
- Anthropology
Chimps show skill in termite fishing
Video cameras set up in a central-African forest have recorded the sophisticated ways in which local chimpanzees catch termites for eating.
- Ecosystems
The Birds Are Falling: Avian losses could hit ecosystems hard
If many bird populations dip toward extinction in the coming century, widespread harm could come to ecosystems that depend on these birds.
- Agriculture
Bees increase coffee profits
Scientists studying a Costa Rican coffee farm have estimated the monetary value of conserving nearby wooded habitat for the bees that pollinate coffee plants.
