Search results for research

Evolution 4 hours ago

Bioluminescence first evolved in animals at least 540 million years ago, pushing back previous oldest dated example

Bioluminescence first evolved in animals at least 540 million years ago in a group of marine invertebrates called octocorals, according to the results of a new study from scientists with the Smithsonian's National Museum ...

Astronomy 4 hours ago

Star bars show universe's early galaxies evolved much faster than previously thought

The universe's early galaxies were less chaotic and developed much faster than previously thought, according to new research looking back more than ten billion years in time. An international team of astronomers led by Durham ...

Biochemistry 5 hours ago

Scientists study lipids cell by cell, making new cancer research possible

Imagine being able to look inside a single cancer cell and see how it communicates with its neighbors. Scientists are celebrating a new technique that lets them study the fatty contents of cancer cells, one by one.

Plants & Animals 5 hours ago

Squids' birthday influences mating: Male spear squids shown to become 'sneakers' or 'consorts' depending on birth date

The day a male spear squid hatches determines which mating tactic he will use throughout his life, according to new research. Spear squid (Heterololigo bleekeri) that hatch earlier in the season become "consorts" that fight ...

Environment 6 hours ago

'Sunny day flooding' increases fecal contamination of coastal waters

A new study finds that "sunny day flooding," which occurs during high tides, increases the levels of fecal bacteria in coastal waters. While the elevated bacteria levels in the coastal waters tend to dissipate quickly, the ...

Social Sciences 6 hours ago

South Korean marginalized communities developed 'disaster subculture' living through extreme climate events, study finds

Locations around the globe are experiencing climate disasters on a regular basis. But some of the most marginalized populations experience disasters so often it has come to be normalized.

Veterinary medicine 6 hours ago

Study compares Salmonella rates in backyard, commercial poultry farm samples

In a comparison of differently sized poultry farms, researchers at North Carolina State University found that rates of Salmonella in fecal and environmental samples were more prevalent on larger commercial farms than on smaller ...

Environment 7 hours ago

Researchers develop forest extent map for Mexico

To properly protect forests and evaluate the state of natural resources, conservation practices and environmental policies, it is important to have accurate information on an area's forest extent.

Social Sciences 7 hours ago

Study finds rekindling old friendships as scary as making new ones

Psychologists from Simon Fraser University (SFU) and the University of Sussex have found that people are as hesitant to reach out to an old friend as they are to strike up a conversation with a stranger, even when they had ...

Plants & Animals 7 hours ago

Investigating the efficacy of methods to stimulate adventitious rooting of Lindera benzoin stem cuttings

The variability among woody plants in their responses to asexual propagation techniques poses challenges and severe limits for commercial production. While some species readily root from stem cuttings, others are more difficult ...

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