Ebola on the march!

Ebola on the march!
It’s “classic dogma”: Bad bacteria and viruses grow less dangerous over time. Not always! More »

Ebola’s end: History’s lessons

Ebola’s end: History’s lessons
As Ebola ravages West Africa, we seek answers in past epidemics. How did cholera, plague, smallpox end? Lacking drugs or a vaccine, how More »

Meet the mosquito: Annoying, deadly

Meet the mosquito: Annoying, deadly

Malaria is declining slowly, but skeeters carry other diseases, including dengue and West Nile. How do mosquitoes reproduce? What are More »

World Cup raises epidemic questions

World Cup raises epidemic questions
Brazil had 1.2 million cases of dengue (“breakbone”) fever last year. What is the threat to World-Cup spectators? How do scientists More »

Cholera strikes Haiti, spreads

Cholera strikes Haiti, spreads
As Haiti copes with thousands of deaths, scientists try to understand how weather affects cholera, and how to battle a feces-borne More »

Problems of the apes

Problems of the apes

Bad feet? Aching back? Impacted wisdom teeth? Blame balky designs inherited from your relatives. How has evolution equipped — or More »

West Nile virus running wild

West Nile virus running wild

Mosquitoes spread a lot of disease, but they are not just “flying hypodermic needles.” As we rush to protect ourselves against a virus More »

Know thy genes, know thyself?

Know thy genes, know thyself?

Advances in genetics raise the stakes in genetic counseling, but the genetic role in disease can be complicated, elusive. What role do More »

Short of meds…

Short of meds…

Contaminated injection blamed for mini-epidemic. Why are hospitals running out of generic drugs, anesthetics and antibiotics? More »

In praise of the lowly apple

In praise of the lowly apple

Among foodies, apples lack the “healthy-tasty” cachet of acai berries or pomegranates. But in a year-long study, apples produced major More »

Flying virus!

Flying virus!

Flu virus can fly on aerosols after a sneeze, cough, even a breath. They can stay aloft for hours, long enough to find another victim. More »