The Telegraph
| Monday, September 21, 2015 |

Knowhow

Salt of the earth

Why do some plants thrive in salty soil? A recent study provides an answer — and could eventually help develop better salt-tolerant crop varieties, says T.V. Jayan

Every year, almost 10 million hectares of arable land is lost across the globe to salinity caused by irrigation. This was one of the major reasons for the fall of the Mesopotamian civilisation in West Asia some 4,000 years ago. | Read»


Designs on you

Q:I want to get a tattoo on my shoulder, but my parents are against it. Are tattoos safe? | Read»