The Many Humans of the Globe As our species (Homo sapiens) evolved and spread across the globe, they were contemporary with ...

A whitish layer striating the Arctic cliffs of Spitsbergen provides exceptional testimony to the regenerative capacity of the ...

Professor Steve Gentleman poses with a human brain at the Multiple Sclerosis and Parkinson’s UK Tissue Bank at Imperial College London, June 3, 2016. Reuters/Neil Hall The current conventional ...

Scientists compared genomes from 154 animal species and found that land animals share genetic tricks for surviving outside ...

Biologists have considered nearly every major taxon of animals as the key starting point for the evolution of vertebrates. We survey these ideas, many of which are no longer tenable in the light of ...

A stunningly preserved, soft-bodied fish that is more than 500 million years old could be the ancestor of almost all living vertebrates. The fossilized fish, called Metaspriggina, sports ...

Figure 1: Hypothetical phylogenetic trees showing various evolutionary models relating to acceptance or rejection of HGT. Figure 2: Neighbour-joining phylogenetic trees on the basis of PAM Dayhoff ...

Those of you who took high school biology may remember the lancelet, also known as the amphioxus. Its simplified body plan is notable for containing a number of features that it shares in common with ...

Scientists reveal clues about the evolutionary origin of jaws by studying the embryonic development of zebrafish -- an approach known as 'evo-devo.' Using imaging and cell tracing techniques in ...

Twenty years ago, nearly all the world’s nations agreed to significantly reduce the loss of biodiversity by 2010. (The United States signed the accord but, like other treaties, the Senate has not ...