Boosting a single molecule in the brain can change "dispositional anxiety," the tendency to perceive many situations as threatening, in nonhuman primates, researchers from the University of California, Davis, and the University of Wisconsin-Madison have found. The molecule, neurotrophin-3, stimulates neurons to grow and make new connections.
Chickadees can smell! That is the news from a study out of Lehigh University, the first to document naturally hybridizing songbirds' preference for the scent of their own species.
New research led by Oxford University and the Queen Mary University of London has resolved a pig paradox. Archaeological evidence has shown that pigs were domesticated in the Near East and as such, modern pigs should resemble Near Eastern wild boar. They do not. Instead, the genetic signatures of modern European domestic pigs resemble European wild boar.
Feline hyperthyroidism is the most common endocrine-related disease of older cats, and its prevalence has skyrocketed since the first case was diagnosed in 1979. At the same time, new household flame retardants were introduced, and recently, scientists have suspected a link. Now, researchers reporting in ACS' Environmental Science & Technology have associated hyperthyroidism with another class of flame retardants, using silicone pet tags similar to the popular wristbands that many people wear for charitable causes.
A dog can be the life of a party, particularly if you live alone. However, like every other creature, age catches up with dogs, and can hold them back from being as active and jumpy as before. This should not, however, make you give up on your dog. Even at old age, you need to take care of your dog, if anything, more than ever before. Proper care includes grooming and healthy dietary habits.
Destruction of tropical rainforests reduces many unprotected habitats to small fragments of remnant forests within agricultural lands, and to date, these remnant forest fragments have been largely disregarded as wildlife habitat.
Rivers and lakes cover just about one percent of Earth's surface but are home to one-third of all vertebrate species worldwide. At the same time, freshwater life is highly threatened.
Small fishes play an important role in the marine food chain, providing food for larger fishes and water birds, but they are also caught for use as bait in both commercial and recreational fisheries. Over the past thirty years, a decline has been noted in some species of baitfish, leading scientists and resource managers to look more closely at the population dynamics of these important fish.
Blue sharks use large, swirling ocean currents, known as eddies, to fast-track their way down to feed in the ocean twilight zone--a layer of the ocean between 200 and 1000 meters deep containing the largest fish biomass on Earth, according to new research by the Woods Hole Oceanographic Institution (WHOI) and the Applied Physics Lab at the University of Washington (UW). Their findings were published on August 6, 2019, in the journal Proceedings of the National Academy of Sciences.
A dog in the grocery store; a cat in the cabin of an airplane; a bird in a coffee shop - companion creatures labeled as Emotional Support Animals (ESAs) are showing up more and more in places previously understood to be animal-free. It's part of a growing trend which includes "certifying" animals to provide emotional assistance to a person with a diagnosable mental condition or emotional disorder.
Under the watchful eyes of five high-speed cameras, a small, pale-blue bird named Gary waits for the signal to fly. Diana Chin, a graduate student at Stanford University and Gary's trainer, points her finger to a perch about 20 inches away. The catch here is that the perch is covered in Teflon, making it seemingly impossible to stably grasp.
AMES, Iowa - Climate change is outpacing the ability of birds and other species to adapt to their changing environment. That's the conclusion made by an international team of scientists that includes an Iowa State University biologist. The team's recent paper in the academic journal Nature Communications evaluated more than 10,000 published scientific studies.
There's a species of poison frog called the "strawberry poison frog" or the "blue jeans frog," depending on who you ask. These frogs are smaller than a quarter, with bright red bodies and navy blue limbs, and they live in shady Costa Rican forests. Or, they did, until humans began cutting the forests to create farmland.
Albinism is the best-known of a group of rare genetic disorders that can affect both eyes and skin. Some genes have been identified that are linked to these conditions, but many remain mysterious.