In evolutionary biology, convergent evolution is the process whereby organisms not closely related (not monophyletic), independently evolve similar traits as a result of having to adapt to similar ...

The potential evolutionary link between hairs in mammals, feathers in birds and scales in reptiles has been debated for decades. Today, researchers demonstrate that all these skin appendages are ...

Blue whales are the largest living creatures to have ever existed on Earth. They can grow up to 30 meters long and weigh 150 tons. No other animal compares to these ocean giants. Brazilian researchers ...

Extant and ancient cephalopods—including octopuses, squids, extinct ammonites, cuttlefish and nautiluses—have all had to solve the problem of buoyancy, whether they have hard external shells or not.

Evolution is a fact of life. So much so that even the theory of evolution is evolving. Lately, a centuries-old discredited ...

Scientists say some of the traits that define modern humans may have evolved only after long-standing biological and cultural ...

Scientist have developed a host of AI ‘protein language models’ that can create proteins from scratch. But Raygun can modify ...

This guide brings together practical recommendations and workflow considerations to reduce unnecessary troubleshooting and ...

DNA repair can be divided into a set of mechanisms that identify and correct damage in DNA molecules. There are two general classes of DNA repair; the direct reversal of the chemical process ...

Through piecemeal advances involving dentists, adventurers, and Queen Victoria, anesthesia evolved from a crude, risky practice into a sophisticated specialty.

Part I. History -- Mendelian View of the World -- Nucleic Acids Convey Genetic Information -- Part II. Structure and study of macromolecules -- Weak and strong chemical bonds -- The Structure of DNA - ...