'Natural causes' at fault for Peru dolphin deaths: officials

Nearly 900 dolphins that washed up along Peru's northern coast since the start of the year died of natural causes, a top official said Tuesday, citing a government report that failed to convince environmental activists here.

Study could lead to new drugs to treat sleeping sickness

(PhysOrg.com) -- Knowing the structure of an enzyme essential to the protozoan parasite that causes African sleeping sickness may lead to new drugs to combat the often-fatal disease and several other related disorders that ...

Report describes the physics of the 'bends'

As you go about your day-to-day activities, tiny bubbles of nitrogen come and go inside your tissues. This is not a problem unless you happen to experience large changes in ambient pressure, such as those encountered by scuba ...

Researchers unravel secrets of parasites' replication

A group of diseases that kill millions of people each year can't be touched by antibiotics, and some treatment is so harsh the patient can't survive it. They're caused by parasites, and for decades researchers have searched ...

Sleeping sickness prevention in a nutshell

Scottish scientific expertise has helped to develop a potentially transformative new method of tackling African sleeping sickness, a parasitic disease which poses a risk to over 70 million people in sub-Saharan Africa.

Paraguay confirms bird flu cases

Cases of bird flu have been detected in backyard chickens in Paraguay, authorities said Saturday.

Horse trots into hospital: It's therapy, no joke (Update)

Two miniature horses trotted into a hospital. Doctors and patients did double-takes when the equine visitors ambled down long corridors in the pediatric unit at Chicago's Rush University Medical Center.

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