As in all of biology, comparative studies showing differences among species are often helpful for a better understanding of the basic mechanisms; with all its advantages, there is a danger of clinging exclusively to one model organism.

Any object, whether animate or inanimate, will have a size. Airplanes, boats, or musical string instruments vary in size just like animals and plants, and in all cases, their size and their material construction are totally different matters even though they affect one another.

It is hard to explain the huge variety of diatoms - a microorganism that has 100,000 species - in terms of natural selection.

There are good reasons why natural selection has become widely accepted as an explanation of evolutionary development. When applied to mammals and other large animals, it fits perfectly. But we cannot assume that all evolutionary steps arise from selection, particularly when looking at smaller animals.

The genesis of the Thinking Talent app came from wanting to create a way to scale self-discovery with a framework that we, personally, inside of the company, have used really successfully.

With the right policies and regulations, the opportunities for American medical advancement and scientific innovation are boundless.

But the power of science lies in open publication, which, with the rise of the Internet, is no longer constrained by the price of paper.

I work in string theory. This is a branch of physics which assumes that the elementary objects in the universe are not particles but one-dimensional objects, that is, strings.