News tagged with dusk


Anolis lineatopus

Jamaican lizards' shows of strength mark territory at dawn, dusk

Biology /

created Aug 27, 2008 | popularity 4.3 / 5 (3) | comments 0

What does Jack LaLanne have in common with a Jamaican lizard? Like the ageless fitness guru, the lizards greet each new day with vigorous push-ups. That's according to a new study showing that male Anolis ...





Search results for dusk


Owls' dawn and dusk concerts promote visual communication

Owls' dawn and dusk concerts promote visual communication

Biology / Plants & Animals

created Apr 08, 2009 | popularity not rated yet | comments 0

Reporting in the online, open-access journal PLoS ONE April 8, Vincenzo Penteriani and Maria Delgado of the Estacion Biologica de Doņana, Spain, describe the evolution of white throat badges in association with d ...


Scientists explain why birds get sex on the brain in the Spring

Scientists explain why birds get sex on the brain in the Spring

Biology / Plants & Animals

created Aug 07, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- Oxford University researchers have discovered how birds sense the lengthening days of early Spring and time when they breed, solving a 70-year mystery.


Stealth camouflage at night

Biology /

created Mar 09, 2007 | popularity 4.8 / 5 (5) | comments 0

Cuttlefish are well-known masters of disguise who use highly developed camouflage tactics to blend in almost instantaneously with their surroundings. These relatives of octopuses and squid are part of a class of animals called ...


Determining Location Based on a Single Image

New system estimates geographic location of photos

Technology / Computer Sciences

created Jun 18, 2008 | popularity 3.9 / 5 (10) | comments 2

Researchers at Carnegie Mellon University have devised the first computerized method that can analyze a single photograph and determine where in the world the image likely was taken. It's a feat made possible ...


A Biological Basis for the 8-Hour Workday? Researchers uncover 8- and 12-hour Cycles of Gene Activity

A Biological Basis for the 8-Hour Workday? Researchers uncover 8- and 12-hour Cycles of Gene Activity

Medicine & Health / Genetics

created Apr 22, 2009 | popularity 4.8 / 5 (12) | comments 0

(PhysOrg.com) -- The circadian clock coordinates physiological and behavioral processes on a 24-hour rhythm, allowing animals to anticipate changes in their environment and prepare accordingly. Scientists ...


Scientists eye glowing volcano crater in Hawaii (AP)

Scientists eye glowing volcano crater in Hawaii

Space & Earth / Earth Sciences

created Jun 07, 2009 | popularity 4.2 / 5 (11) | comments 2

(AP) -- The summit of Hawaii's Kilauea volcano is glowing brightly as molten lava swirls 300 feet below its crater's floor, bubbling near the surface after years of spewing from the volcano's side.


Migrating birds chill to fatten up

Biology / Plants & Animals

created Sep 11, 2009 | popularity not rated yet | comments 0

Marathon runners are famed for pasta packing in the days before a big run but when tiny passerine birds set out on their epic migrations, the distances are too great to cover on the energy reserves with which they embark. ...


Rocky Finding -- Evidence of Extrasolar Asteroid Belt

Space & Earth / Astronomy

created Jan 06, 2007 | popularity 3.8 / 5 (5) | comments 0

Providing the best evidence yet for an asteroid belt beyond the solar system, new measurements pinpoint the location of such a disk of warm dust surrounding the star Zeta Leporis. As the January 6, 2007 issue of Science Ne ...


Review: A riff on robotics with self-tuning guitar (AP)

Review: A riff on robotics with self-tuning guitar

Electronics / Consumer & Gadgets

created Nov 25, 2009 | popularity 3.7 / 5 (7) | comments 4

(AP) -- New cars have been tuning themselves for the better part of two decades now, so it should feel less impressive that Gibson has built a guitar that can smoothly do the same.


Venus

STAR TRAK for November

Space & Earth / Space Exploration

created Nov 03, 2008 | popularity 4 / 5 (10) | comments 3

(PhysOrg.com) -- Venus and Jupiter, the brightest planets in the sky, will steadily approach each other during November as if drawn by their mutual brillliance. Finally they will have a spectacular encounter ...



List of search results for dusk