Birding by ear: How to learn the songs of nature’s symphony with some simple techniques

Listening to bird songs and calls can help identify species and connect with the sounds of nature. An ornithologist provides ...
Nature

US serial killer case opens door to using cutting-edge DNA data in courts

A judge in New York rejected a request on 23 September to disqualify the use of cutting-edge DNA sequencing as evidence in a ...

Animals on ice: How conservationists use freezers to 'biobank' wildlife

What's lurking in your freezer: a lasagna or deep-frozen pizza? Conservationists rely on freezers too—but they run much ...
PCGamesN

Crystal of Atlan tier list - best classes to use

September 26, 2025: We're looking to add the new Assassin class to the Crystal of Atlan tier list with the Steam release. What are the best classes in the Crystal of Atlan tier list? Nuverse's action ...
The Economist

Nucleic acids and proteins

These chains come in a wide range of lengths. In humans a typical protein is about 400 amino acids long; some are a lot longer. Molecules of RNA, one of the two nucleic acids, can reach up to 100,000 ...