Amazon has stopped selling a children's swim vest after trading standards bosses discovered it presents a 'serious risk of ...

Abstract: Marine observation faces significant challenges due to the complex optical characteristics of underwater environments. The combined effects of light attenuation and scattering lead to severe ...

Norman Kleiman, an associate professor of environmental health sciences at Columbia University, said nuclear testing can range from nonradioactive, known as subcritical, to incredibly radioactive. He ...