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News tagged with circadian

It's in the genes: Research pinpoints how plants know when to flower

Scientists believe they've pinpointed the last crucial piece of the 80-year-old puzzle of how plants "know" when to flower.

Biology / Biotechnology

created May 25, 2012 | popularity 4 / 5 (10) | comments 2 | with audio podcast

Group finds circadian clock common to almost all life forms

(Phys.org) -- A group of biology researchers, led by Akhilesh Reddy from Cambridge University have found an enzyme that they believe serves as a circadian clock that operates in virtually all forms of life. ...

Biology / Cell & Microbiology

created May 17, 2012 | popularity 5 / 5 (7) | comments 8 | with audio podcast report

Ancient body clock discovered that helps to keep all living things on time

The mechanism that controls the internal 24-hour clock of all forms of life from human cells to algae has been identified by scientists.

Biology / Biotechnology

created Jan 26, 2011 | popularity 4.8 / 5 (25) | comments 43 | with audio podcast

Barley takes a leaf out of reindeer's book in the land of the midnight sun

Barley grown in Scandinavian countries is adapted in a similar way to reindeer to cope with the extremes of day length at high latitudes. Researchers have found a genetic mutation in some Scandinavian barley ...

Biology / Plants & Animals

created May 11, 2012 | popularity not rated yet | comments 0

Scientists Discover Hunger's Timekeeper

(PhysOrg.com) -- Researchers at Columbia and Rockefeller Universities have identified cells in the stomach that regulate the release of a hormone associated with appetite. The group is the first to show that ...

Medicine & Health / Medical research

created Aug 28, 2009 | popularity 4.8 / 5 (12) | comments 0

How would Einstein use e-mail? Letter writers of yore had same correspondence patterns as e-mail users today

You're not as different from Albert Einstein and Charles Darwin after all, at least when it comes to patterns of correspondence.

Other Sciences / Mathematics

created Sep 25, 2009 | popularity 3.7 / 5 (9) | comments 0

New pattern in our biological clock overturns long-held theory

(PhysOrg.com) -- University of Michigan mathematicians and their British colleagues say they have identified the signal that the brain sends to the rest of the body to control biological rhythms, a finding that overturns ...

Medicine & Health / Medical research

created Oct 08, 2009 | popularity 4.9 / 5 (22) | comments 4

Circadian cycle even more important to life than previously suspected: study

Researchers at USC were surprised recently to discover just how much the rising and setting of the sun drives life on Earth – even in unexpected places.

Biology / Other

created Sep 12, 2011 | popularity 4.6 / 5 (8) | comments 1 | with audio podcast

Plants use circadian rhythms to prepare for battle with insects

In a study of the molecular underpinnings of plants' pest resistance, Rice University biologists have shown that plants both anticipate daytime raids by hungry insects and make sophisticated preparations to ...

Biology / Cell & Microbiology

created Feb 13, 2012 | popularity 4.2 / 5 (5) | comments 4 | with audio podcast

New chemical may lead to jet lag drug

(PhysOrg.com) -- Jet lag, as every long-distance airline passenger knows, disrupts the body's normal circadian rhythms, or body clocks, and causes some very unpleasant effects such as disturbed sleep and fatigue. ...

Chemistry / Biochemistry

created Dec 16, 2010 | popularity 4.5 / 5 (4) | comments 2 | with audio podcast report

Migrating monarch butterflies 'nose' their way to Mexico

The annual migration of monarch butterflies from across eastern North America to a specific grove of fir trees in Mexico has long fascinated scientists who have sought to understand just how these delicate ...

Biology / Plants & Animals

created Sep 24, 2009 | popularity 3.8 / 5 (4) | comments 0

Finding mechanism behind bacteria's biological clock

(PhysOrg.com) -- A discovery by a professor at the University of California, Merced, is providing a deeper understanding of the factors that control biological clocks.

Biology / Cell & Microbiology

created Aug 31, 2011 | popularity not rated yet | comments 0 | with audio podcast

First human gene implicated in regulating length of human sleep

Scientists have discovered the first gene involved in regulating the optimal length of human sleep, offering a window into a key aspect of slumber, an enigmatic phenomenon that is critical to human physical and mental health.

Medicine & Health / Genetics

created Aug 13, 2009 | popularity 5 / 5 (2) | comments 1

Manipulating plants' circadian clock may make all-season crops possible

Yale University researchers have identified a key genetic gear that keeps the circadian clock of plants ticking, a finding that could have broad implications for global agriculture.

Biology / Cell & Microbiology

created Sep 01, 2011 | popularity not rated yet | comments 1 | with audio podcast

'Round-the-clock' lifestyle can disrupt metabolism, brain and behavior

(PhysOrg.com) -- In Civilization and Its Discontents, Sigmund Freud argued that modern society was hard on human psychology, forcing people to get along in unnaturally close quarters. Now newly published resear ...

Medicine & Health / Medical research

created Feb 21, 2011 | popularity 4.6 / 5 (13) | comments 4 | with audio podcast