Atomic clocks are the world's most precise timekeepers. Based on periodic transitions between two electronic states of an atom, they can track the passage of time with a precision as high as one part in a quintillion, meaning ...
General Physics
May 25, 2023
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45
Molecular clocks in our cells synchronize our bodies with the cycle of night and day, cue us for sleep and waking, and drive daily cycles in virtually every aspect of our physiology. Scientists studying the molecular mechanisms ...
Cell & Microbiology
May 18, 2023
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246
Scientists at UMass Chan Medical School and the Marine Biological Laboratory at Woods Hole have identified the first gene—Bmal1—to play a crucial role in regulating circatidal behavior in the crustacean Parhyale hawaiensis. ...
Cell & Microbiology
May 11, 2023
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29
Have you ever wondered why you get tired when the sun goes down? Why some flower petals open during the day and close at night? Or even how monarch butterflies know when to migrate south? Life on Earth has evolved to predict ...
Plants & Animals
May 1, 2023
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34
In recent years, many physicists worldwide have introduced atomic clocks, systems to measure the passing of time that are based on quantum states of atoms. These clocks can have numerous valuable applications, for instance ...
On bright chilly mornings you can either snuggle down under the duvet or leap up and seize the day.
Plants & Animals
Mar 30, 2023
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30
As our bodies and minds continue to adjust to the recent time change, debates continue around society about whether to make daylight saving time a permanent fixture, eliminate it or stay with the current semi-annual clock ...
Cell & Microbiology
Mar 29, 2023
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24
Europe's Galileo is the world's most precise satellite navigation system, providing meter-level accuracy and very precise timing to its four billion users. An essential ingredient to ensure this stays the case are the atomic ...
Planetary Sciences
Mar 13, 2023
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5
New analysis shows that atoms will encounter high frictional forces in the presence of blackbody radiation at lower temperatures. Accounting for this effect could help researchers to improve the accuracy of high-precision ...
General Physics
Feb 13, 2023
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45
An innovative technique from Cornell University researchers finds seminal fluid protein transferred from male to female fruit flies during mating changes the expression of genes related to the fly's circadian clock.
Plants & Animals
Jan 30, 2023
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