Many new pest varieties are sneaking into India. To prevent this, a quarantine bill draft is under consideration of the Union ministry for agriculture. Even though the quarantine stations have
A simple blood test might be used successfully to predict the chances of a person contracting lung cancer. Researchers at Columbia University, New York, USA, used blood samples that had been
Radioisotopes are used for a variety of diagnostic tests in medicine. Now D Murnick of Rutgers University, USA, and colleagues have pioneered the use of stable isotopes