Implanting sensors in fish to monitor their stress levels in the wild

Researchers at the Swedish University of Agricultural Sciences have successfully implanted bio-loggers into farmed rainbow trout to monitor them in real time and natural conditions. Bio-loggers are small, bullet-shaped sensors that are about 13 cm or 1.5 inches long and can measure heart rate and temperature from inside an animal for 18 months. The researchers […]

Implanting sensors in fish to monitor their stress levels in the wild

Researchers at the Swedish University of Agricultural Sciences have successfully implanted bio-loggers into farmed rainbow trout to monitor them in real time and natural conditions. Bio-loggers are small, bullet-shaped sensors that are about 13 cm or 1.5 inches long and can measure heart rate and temperature from inside an animal for 18 months. The researchers […]

Is Coconut Oil Really Better For You Than Butter?

Nutrition articles may wax philosophical about “bad fats” and “good fats,” but the truth is never simple. Healthy eating is not so much a battle of good versus evil as it is an ongoing learning process. The current dietary guidelines are useful general recommendations for a healthy diet, but they are always being optimized. A […]

Is Coconut Oil Really Better For You Than Butter?

Nutrition articles may wax philosophical about “bad fats” and “good fats,” but the truth is never simple. Healthy eating is not so much a battle of good versus evil as it is an ongoing learning process. The current dietary guidelines are useful general recommendations for a healthy diet, but they are always being optimized. A […]

Where Have All the Passenger Pigeons Gone?

Up to about 200 years ago, the passenger pigeon was one of the most numerous vertebrate animals on Earth. The species had an estimated 3 to 5 billion individuals at the peak of its existence and had such big flock sizes that they were known to block out the sun. However, this changed during the […]