PARTICLE physicists at Fermilab near Chicago may have sighted the elusive "top" quark, one of the smallest constituents of matter (Science, Vol 258, No 5086; New Scientist, Vol 136, No 1851). An
Babies less than six months old have the surprising abilities to distinguish shapes, sizes and colours. Now, a study indicates infants can even make simple mathematical calculations.
The outstanding feature of Indian weather in the second half of April and the first week of May of the year was the extremely high temperatures over a large part of Northern India.