An undated photo of a group of sperm whales in Alaska waters. Photo courtesy of NOAA Fisheries A federal judge has sentenced Alaskan fisherman Dugan Paul Daniels to six months in federal prison for ...

Whales breathe air as well, however, they are able to stay under water for long periods before needing to resurface. The sperm whale can stay under water for up to 2 hours! Echidnas fall into the ...

Men with high-quality sperm had a nearly three-year longer life expectancy than men with low-quality sperm in a recent study. Sperm quality is a potential marker for disease or illness.

Mar. 10, 2025 — Researchers shed new light on G-quadruplexes, a type of secondary DNA structure that has attracted attention as a potential therapeutic target in ...