When a common parasite infects wolves, it changes their behavior and turns them into risk-taking animals that could help them become leaders of their pack—or get them killed. “We focus so much on ...

A parasite called Toxoplasma gondii lurks inside 1 in 3 people worldwide, hiding out in the brain and other organs. Now, scientists have hijacked this microorganism to shuttle drugs into the brain — ...

The brain is like a medieval castle perched on a cliff, protected on all sides by high walls, making it nearly impenetrable. Its shield is the blood-brain barrier, a layer of tightly connected cells ...

When a parasite infects a host, it can manipulate host behavior, which may help spread the parasite to new hosts, or enable the parasite to complete its life cycle. Parasitic worms known as hairworms ...

Wolves are pack animals, living in family groups led by a matriarch and her mate. Some wolves stay with their pack their whole lives, helping hunt and raise pups like aunts and uncles as they mature, ...

The natural world is always fascinating, with millions of unique species for us to explore and research. But now and again, nature presents us with something so strange that it is, frankly, bizarre.

For all the different kinds of manipulation in our cultural lexicon — from gaslighting to negging — nothing beats good old-fashioned mind control. Like your worst ex, one master of this power is a ...

A parasite known for its ability to influence the minds of its hosts also hijacks the immune system, a new study finds. In fact, the parasite uses cells that would normally help defeat it as transport ...