Express reader Elizabeth DuFour recently contacted The Express regarding this old photo of her father, Billy Entz, which was ...

S cones pick up relatively short wavelengths, which we see as blue. M cones react to medium wavelengths, which we see as green. And L cones are triggered by long wavelengths, which we see as red.

The blue-greenish hue has an intensity ... the olo colour seemed to be more intense than even the most vibrant blue-green colour possible in normal vision. Participants had to ‘wash out ...

Tom is a writer in London with a Master's degree in Journalism whose editorial work covers anything from health and the environment to technology and archaeology. Laura is an editor and staff ...

Daniela is a design writer and home enthusiast living in New York. When she’s not thinking about interior design, you can probably find her painting murals or lounging around with her basset hound.

Blue-green algae has returned to Lough Neagh with the first confirmed cases of 2025, the Northern Ireland Environment Agency (NIEA) has confirmed. Noxious blooms of the algae covered large parts o ...

STARKE, Fla. (WCJB) - Officials with the Department of Health in Bradford County issued a health alert because there are harmful blue-green algae toxins in Lake Sampson-Rowell and Sampson Canal, ...

Katy Perry, Gayle King, Jeff Bezos’ fiancée Lauren Sánchez and the rest of Blue Origin’s all-female crew posed in their space suits in a photoshoot over the weekend ahead of their journey ...

Skywatchers throughout the Northern Hemisphere are enjoying views of the newly discovered Comet SWAN.

Bronze is back at it again, this time devouring a blue snow cone, with the evidence all over his face. In an Instagram Story shared on Thursday, April 10, Brittany shared the hilarious moment when ...

The presence of blue-green algae in Martray Lough near Ballygawley is "disheartening", the Department for Agriculture, Environment and Rural Affairs (Daera) has said. With the recent good weather ...