Zika virus panic spreads
Twenty countries affected, some propose radical measures
Hearty news
Wreaking havoc
Heat quencher
Striking at the heart
Pollution causes heart attack
4 flu mutants
Seven eminent virologists discuss the implications with Down To Earth
Drug ban saves vultures
Painkiller given to animals was killing the birds
Worms in US apples
Whale of a problem
Ecstasy rashes
Mad about beef
The threat over mad cow disease resurfaces yet again in Europe
Sure Killer
The world's most feared virus, Ebola, makes a comeback in Uganda
Foot in mouth
In a spot