Birds are warm-blooded vertebrates (vertebrates have backbones) and are the only animals with feathers. Although all birds have wings, a few species can't fly.
An automated external defibrillator (AED) is a portable device that can be used to treat a person whose heart has suddenly stopped working. This condition is called sudden cardiac arrest. AEDs are available in many public places, such as government buildings, schools, airports and other community ...
Cardiopulmonary resuscitation (CPR) is an emergency treatment that's done when someone's breathing or heartbeat has stopped. For example, when someone has sudden cardiac arrest or nearly drowns. CPR can help save a life. The American Heart Association recommends starting CPR by pushing hard and fast on the chest. The pushes are called compressions.
Why do high triglycerides matter? High triglycerides may contribute to hardening of the arteries or thickening of the artery walls, called arteriosclerosis. This condition increases the risk of stroke, heart attack and heart disease. Extremely high triglycerides also can cause acute inflammation of the pancreas, called pancreatitis.
These birds form mesmerizing clouds in the sky. Scientists may finally ...
New Guinea is home to some of the world’s most toxic birds. Why they contain poison, and how they withstand it is still a source of scientific mystery.
Spending time in nature is important for your mental health. But studies show that even just listening to birds singing can ease symptoms of anxiety and depression.
A robot taught these birds a long-lost birdsong The song of the chingolo can be heard across South America. But young songbirds were no longer learning the tunes of their elders—until scientists ...