News tagged with metabolic rate

Scientists study why the blind salamander lives so long

(PhysOrg.com) -- Scientists have long been intrigued by the longevity of a tiny amphibian known as the blind salamander, but it now seems it may live a long time because it basically has no life.

Biology / Plants & Animals

created Jul 22, 2010 | popularity 4.4 / 5 (14) | comments 7 | with audio podcast report

Hair analysis proves it: Legendary racehorse Phar Lap died of arsenic poisoning in 1932

(PhysOrg.com) -- Phar Lap was a legendary racehorse that won many notable races. After its triumph in the famous Agua Caliente Handicap in 1932 in Mexico, the animal died in agony under mysterious circumstances ...

Chemistry / Analytical Chemistry

created May 04, 2010 | popularity 4.5 / 5 (6) | comments 2 | with audio podcast

If you want to lose weight, find a mountain retreat

(PhysOrg.com) -- A new study has found the secret to effortless weight loss: spend some time at high altitude. Even a week on a mountain retreat can produce weight loss in sedentary people eating as much as ...

Medicine & Health / Health

created Feb 05, 2010 | popularity 3.8 / 5 (13) | comments 7 | with audio podcast report

Extinct goat was cold-blooded

(PhysOrg.com) -- An extinct goat that lived on a barren Mediterranean island survived for millions of years by reducing in size and by becoming cold-blooded, which has never before been discovered in mammals.

Biology / Plants & Animals

created Nov 18, 2009 | popularity 4.9 / 5 (43) | comments 11 weblog

Study finds that mild winters are detrimental to butterflies

The recent mild winter throughout much of the United States was a cause for celebration for many. However, butterfly aficionados shouldn't be joining in the celebration.

Biology / Plants & Animals

created Apr 20, 2012 | popularity 5 / 5 (3) | comments 7 | with audio podcast

Athletic frogs have faster-changing genomes

Physically fit frogs have faster-changing genomes, says a new study of poison frogs from Central and South America.

Biology / Evolution

created Apr 12, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Scientists reveal how females store sperm for decades

(PhysOrg.com) -- Scientists have discovered that all sorts of females – from birds to reptiles to insects – have a nifty trick to prolong the lifespan of sperm, letting them store it for weeks, months ...

Biology / Plants & Animals

created Jan 26, 2012 | popularity 4.4 / 5 (7) | comments 3 | with audio podcast

Ruthless boas know when to ditch their squeeze

Boa constrictors can sense the heartbeat of their quarry as they suffocate it, thus giving themselves the signal to know when the prey is dead, scientists say.

Biology / Plants & Animals

created Jan 18, 2012 | popularity 5 / 5 (1) | comments 0

Early growth trajectories have long-term effects on fitness, study finds

(PhysOrg.com) -- Food supply and environmental conditions affect the growth rates of organisms, which in turn influence future survival and reproduction. A new study by researchers at the University of California, ...

Biology / Plants & Animals

created Oct 28, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Holes in fossil bones reveal dinosaur activity

(PhysOrg.com) -- New research from the University of Adelaide has added to the debate about whether dinosaurs were cold-blooded and sluggish or warm-blooded and active.

Other Sciences / Archaeology & Fossils

created Jul 08, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Scientists sequence DNA of cancer-resistant rodent

Scientists at the University of Liverpool, in partnership with The Genome Analysis Centre, Norwich, have generated the first whole-genome sequencing data of the naked mole-rat, a rodent that is resistant to cancer and lives ...

Biology / Biotechnology

created Jul 05, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Finding is a feather in the cap for researchers studying birds' big, powerful eyes

Say what you will about bird brains, but our feathered friends sure have us -- and all the other animals on the planet -- beat in the vision department, and that has a bit to do with how their brains develop.

Chemistry / Biochemistry

created Jun 23, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Life-history traits may affect DNA mutation rates in males more than in females

For the first time, scientists have used large-scale DNA sequencing data to investigate a long-standing evolutionary assumption: DNA mutation rates are influenced by a set of species-specific life-history ...

Biology / Evolution

created Jun 13, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Greatest warming is in the north, but biggest impact on life is in the tropics

In recent decades documented biological changes in the far Northern Hemisphere have been attributed to global warming, changes from species extinctions to shifting geographic ranges. Such changes were expected because warming ...

Space & Earth / Earth Sciences

created Oct 06, 2010 | popularity 4.1 / 5 (10) | comments 7 | with audio podcast

Big brains attributed to mother's care

The evolution of big-brained mammals may be due to maternal investment, rather than metabolism, according to a new study by scientists at UCL (University College London) and the University of Cambridge.

Biology / Evolution

created Sep 07, 2010 | popularity 4 / 5 (6) | comments 2 | with audio podcast