Rice originated in India

Fresh evidence from dung of dinosaurs changes many conceptions

Falling prey

Bytes

Cool bug

Dung beetles keep methane from cattle in check

Smart farming

How to improve yield in organic farming

Liquid asset

What exactly is this US patent on the cow urine-antibiotic combination?

Micturition muddle

Fertiliser’s true climate impact

Empirical estimates of nitrous oxide levels in environment made

Waste from cattle

The US plans to regulate water pollution from livestock waste

Science and Technology - Briefs

Punjab's spiritual farming

Organic drive in Uttaranchal ignores farmers' concerns

Dung menace

No pesticides no debts

South Asia

The challenge of the chulha

Science and Technology - Briefs

Women, children worst victims of indoor air pollution

Cow dung smoke could cause arsenic poisoning

Cow manure to to help PG&E generate power

Letters

Letters