Search results for circadian

Ecology May 31, 2022

How moonlight fine-tunes animal reproduction

Animals possess circadian clocks, or 24-hour oscillators, to regulate daily behavior. These typically take their cues from the periodic change of sunlight and darkness. However, many animals are also exposed to moonlight, ...

Plants & Animals May 27, 2022

Do all animals sleep?

"Nothing is certain except for death and taxes," said Benjamin Franklin. Of course, he left out another certainty for humankind: sleep. All humans sleep, albeit some better than others. But do all animals sleep, too?

Materials Science May 24, 2022

A candlelight-like glow from a flexible organic LED

Giving off a comfortable glow, candles set the ambiance for a special dinner or just a quiet evening at home. However, some lighting alternatives, such as electronic candles, give off unwanted blue wavelengths that interfere ...

Cell & Microbiology May 24, 2022

While the fetal clock develops, mom's behavior tells the time

During fetal development, before the biological clock starts ticking on its own, genes within the fetus's developing clock respond to rhythmic behavior in the mother, according to a new study publishing May 24th in the open-access ...

Ecology May 20, 2022

Light pollution can disorient monarch butterflies

Besides planting milkweed in the garden, people interested in helping monarch butterflies might want to turn off the porch light.

Cell & Microbiology May 9, 2022

Chronobiologists identify key circadian clock mechanism in cyanobacteria

Researchers have identified a key mechanism involved with the setting of the circadian clock of cyanobacteria—a model organism for study by chronobiologists due to the organism having one of the earliest circadian systems ...

Molecular & Computational biology Apr 15, 2022

Unlocking complex workings of the biological clock

Scientists want to increase their understanding of circadian rhythms, those internal 24-hour biological clock cycles of sleeping and waking that occur in organisms, ranging from humans to plants to fungi to bacteria. A research ...

Plants & Animals Apr 13, 2022

Bisphenol A (BPA) impacts rat offspring more seriously than mothers

Bisphenol A (BPA) is an anthropogenic chemical used as a raw material for plastics such as polycarbonate and epoxy resins, and for the inner coating of canned foods. BPA has been detected in human specimens, including fetuses. ...

Social Sciences Apr 6, 2022

Five ways Americans' lives will change if Congress makes daylight saving time permanent

The U.S. Senate approved the Sunshine Protection Act in March 2022, with the goal of making daylight saving time permanent starting in November 2023. If that happens, the U.S. will never again "spring forward" or "fall back."

Plants & Animals Apr 5, 2022

The fitness of photosynthetic organisms depends on the integrity of their endogenous clocks

Life on Earth runs in 24-hour cycles. From tiny bacteria to human beings, organisms adapt to alterations of day and night. External factors, such as changes in light and temperature, are needed to entrain the clock. Many ...

page 14 from 40