The rise and fall of a chemical
DDT use goes back to World War II
Betel benefit
Compounds in paan leaf can kill several pathogenic bacteria
Smart crops
Green plans
Lethal messenger
El Niño brings deadly disease to South America
Pestilential high tech
Wheaticide
Herbicide promotes toxic fungi
Get positive
Every problem has a solution
Evil design
The extent of arsenic contamination now includes several states in India
South Asia
Transfusion of stored blood can cause health problems
Vector control, drug infusion to check filariasis
Mosquito-specific pesticide in the offing?
Virus scare
Add telaprevir
Breastfeed longer
Cell towers, a health risk
Panel recommends restrictions on mobile phone towers