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
A glowing nanotube nose
A new way to decide whether your meat passes the 'sniff test'
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 reportsCyber-Savvy Farmer
