Discover the evolution of money from ancient barter systems to modern digital currencies, including coin minting, paper notes ...

The Wnt signal transduction pathway has essential roles in the formation of the primary body axis during development, cellular differentiation and tissue homeostasis. This animal-specific pathway has ...

Microbial communities drive all biogeochemical processes on Earth through spatiotemporal resource partitioning among co-existing members or ecotypes that are ecologically differentiated by their ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Fossil discoveries unlock chapters of our planet’s storied ...

We've been looking at nature the wrong way, argues Rowan Hooper. If we stop focusing on the individual, we get a whole new picture of how life on Earth – and elsewhere – may have begun ...

Ch. 1. Introduction -- Ch. 2. Present-Day Tropical Rain Forests -- Ch. 3. Geological Time Framework, Palaeoecological and Palaeoclimate Definitions -- Ch. 4. Geological Evidence for Rain Forests -- Ch ...

The Saturn System has been studied in detail by the Cassini-Huygens Mission. A major thrust of those investigations has been to understand how Saturn formed and evolved and to place Saturn in the ...

A popular model of evolution concludes that it was incredibly unlikely for humanity to evolve on Earth, and that extraterrestrial intelligence is vanishingly rare. But as experts on the entangled ...

A lot’s changed on the surface of the Earth over the past 4.5 billion years. This video explains the long, slow process that enabled simple cells to evolve into the creatures that inhabit our planet ...