Some cyanobacteria have pigments that specialise in harvesting green light to power their photosynthesis, which may be an evolutionary adaptation to a time when the oceans were iron-rich and green-tin ...

Ever noticed how the sky turns a strange greenish hue before a tornado? This eerie phenomenon has baffled people for years, but science finally explains why it happens! The color shift is caused by ...

The turtles danced with the most enthusiasm in the tank when they knew they would get food. This was "strong evidence" that ...