الصحراء الإفريقية تشكلت ببطء وليس فجأة اوسلو-سانا قالت دراسة نشرت الليلة الماضية ان الصحراء الإفريقية التي كانت يوما ما أرضا خضراء تحولت الى اللون الاصفر
Veterinary News From Medical News Today In the bird world, the ladies traditionally size up and select their mates. But a recent study suggests that sometimes the guys get to be choosy too. The authors show that ornamental white bands on the wings of cryptic brown female Common Eiders is directly affected by an immune challenge during breeding. Immune challenged females produced feathers with smaller white fringes.
A Label Of Health: A Previous Immune Challenge Is Reflected In The Expression Of A Female Plumage Trait In the bird world, the ladies traditionally size up and select their mates. But a recent study suggests that sometimes the guys get to be choosy too. The authors show that ornamental white bands on the wings of cryptic brown female Common Eiders is directly affected by an immune challenge during breeding. Immune challenged females produced feathers with smaller white fringes.
Temperature And Humidity Affect How Well A Gecko Grips According to an article published in the open-access journal PLoSONE, temperature and humidity affect the adhesion capabilityof geckos. The researchers, from the University of Akron, Akron, Ohio,found that the clinging ability at 12 Celsius was about two times theclinging ability at 34 Celsius.Lead author and professor of biology Dr.
Migratory Birds Energy Use Related To Physical Characteristics And Climate In a new study published in the open-access journal PLoS ONE,researchers from Princeton University, the University of Montana,and the German Max Planck Institute for Ornithology shed somelight on the energy-saving abilities of migratory birds and how climatechange may affect their energy usage.
Dixie The Dog Has Sight Restored: First Veterinary Corneal Implant Procedure In U.S. Sinisa Grozdanic an assistant professor of Veterinary Clinical Sciences performed the surgery that restored sight to 7-year-old Dixie, a Mountain Cur breed owned by Brett Williams of Runnells."We are excited for Dixie," said Grozdanic. "She was our patient for such a long time and nothing really worked. She was gradually going down visually and we were finally able to do something to definitely improve her quality of life.""She is my pet and my friend," said Williams.
