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A new University of Florida study shows cats are the dominant predator to mockingbird eggs and nestlings in urban areas, prompting conserv

As a rule all mammals have the same number of vertebrae in their necks regardless of whether they are a giraffe, a mouse, or a human. But

Over 100 million years ago, the understory of late Mesozoic forests was dominated by a diverse group of plants of the class Equisetopsida.

Its head and body looked like a dog, yet its striped coat was cat-like. It carried its young in a pouch, like a kangaroo. No wonder the

In modern ecology, the removal or addition of a predator to an ecosystem can produce dramatic changes in the population of prey species. Fo

Determining the molecular configuration of proteins is important in nanotechology, drug design, disease research and many other fields.Th

Researchers at The Scripps Research Institute have found a temperature-sensing protein within immune cells that, when tripped, allows ca

WHAT:Using a monkey model of AIDS, scientists have identified a vaccine-generated immune-system response that correlates with protection aga

For much of the time our T cells—the white blood cells that act as the police of the immune system—are in what immunologists call a "qui

UCLA scientists have discovered a way to wake up the immune system to fight cancer by delivering an immune system-stimulating protein in a