Ecology & Zoology

Even American Horses Are Getting Obese

Even American Horses Are Getting Obese

First the obesity problem in humans alarmed physicians and then veterinarians worried about fat cags ( and dogs) but now a team of researchers in the Virginia-Maryland Regional College of Veterinary…
Birds And Bees - Why Flowers Have Pretty Colors

Birds And Bees - Why Flowers Have Pretty Colors

Unlike moths and butterflies that are often brilliantly colored to warn potential predators that they carry toxins, flowers and the fruits they produce have brilliant colors to attract the attention…
PIF 4 and PIF 5 Regulate The Cycle Of Plants

PIF 4 and PIF 5 Regulate The Cycle Of Plants

Most plants and animals show changes in activity over a 24-hour cycle. Now, for the first time, researchers have shown how a plant combines signals from its internal clock with those from the…
The Magnetic Properties Of Chicken

The Magnetic Properties Of Chicken

An international working group under the direction of Wolfgang und Roswitha Wiltschko of Frankfurt University has now succeeded in demonstrating the presence of a magnetic sense of direction in…
Rats Know The Golden Rule - Do Unto Others ...

Rats Know The Golden Rule - Do Unto Others ...

Cooperation in animals has long been a major focus in evolutionary biology. In particular, reciprocal altruism, where helpful acts are contingent upon the likelihood of getting help in return, is…
Teaching Farmers To Use Less Nitrogen

Teaching Farmers To Use Less Nitrogen

Ongoing field trials since 2002 by a team that includes 16 farmers, Cornell researchers and Cornell Cooperative Extension field crops educators in 10 counties are showing the value of on-farm…
Female Iguanas Will Even Die For The Right Mate

Female Iguanas Will Even Die For The Right Mate

Picking a mate isn’t easy—if you are a female iguana. In a study Maren Vitousek of Princeton University and colleagues found that female Galápagos marine iguanas spend a lot of energy picking a mate…
Maintaining The Social Order In Fish Societies

Maintaining The Social Order In Fish Societies

Fish use the threat of punishment to keep would-be jumpers in the mating queue firmly in line and the social order stable, a new study led by Australian marine scientists has found. Their discovery,…