The fluorescent 3-methylene-2,3-dihydroselenophene derivative (Φ F = 0.86 in CH 2 Cl 2) incorporated in a dibenzobarrelene skeleton was synthesized by the reaction of a four-membered ...

Heavy rains lash several parts of Delhi-NCR, IMD issues 'yellow alert' of ‘be aware’ A 'yellow alert', in the India Meteorological Department's (IMD) colour code, indicates ‘be aware’.

Thunderstorms set to hit Scotland as yellow weather warning issued The Met Office has issued a yellow warning for the majority of the country on Saturday from 4pm until Sunday at 12am.