
Author Archives

A glowing nanotube nose
A new way to decide whether your meat passes the 'sniff test'
Deciding whether to cook or toss a steak that’s been in the fridge for a few days calls for a sniff test. This generally works well for home cooks. But food manufacturers that supply tons of meats to consumers require more reliable measures. In a new journal called ACS Sensors, scientists report a simple method

New weapons on the way to battle wicked weeds
The need for better stewardship was emphasized at the recent American Chemical Society symposium on herbicide-resistant weeds
Asombre picture of the struggle against super-weeds has emerged as scientists attending a symposium described the relentless spread of herbicide-resistant menaces like pigweed and horseweed that shrug off powerful herbicides and have forced farmers in some areas to return to the hand-held hoes that were a mainstay of weed control a century ago. The reports