Evolution

Life developed when there was no oxygen on earth. It was an anoxic environment dominated by bacteria, who instead of oxidation and reduction, as our mitochondria do to produce energy, probably …

In order to evolve you must first survive, and Darwin posited that this "survival of the fittest" was a driver in natural selection. To the casual reader in 1859, cooperation was hard to reconcile…

Though we've learned a lot about evolution in the last 150 years, when it comes to the details, some fundamental questions remain unanswered. Such as when and how extremely diverse groups of animals…

In high school biology you learned that in humans, a normal cell contains 23 pairs of chromosomes; 22 autosomes, which are the same in both males and females, while in the 23rd, the sex chromosomes,…

(Inside Science) -- Imagine putting your hand in a pile of poop. It stinks and squishes. What do you do next? Most likely, you'll scrub that hand with plenty of soap -- and you don't need public…

An ancient Elpistostege fish fossil has revealed how the human hand evolved from fish fins, the missing evolutionary link in the 'fish to tetrapod transition', as fish began to foray in habitats such…

Merge is a controversial belief by some that human language faculty arose in humans through a single gene mutation, rather the evolving gradually. This human burst of genetic exceptionalism is…

Neanderthal DNA sequences are more common in modern Africans than previously known, and different non-African populations have levels of Neanderthal ancestry surprisingly similar to each other,…

The Handmaid’s Tale is a TV series based on the 1985 novel of the same name by Margaret Atwood that presents a dystopian vision of a male-dominated society known as Gilead. Widespread infertility…

The evolution of the snake body has captivated researchers for a long time because it represents one of the most dramatic examples of the vertebrate body's ability to adapt. A limited fossil record…