A biologist’s natural habitat is anywhere questions about life are being asked—whether the subject is a nematode or a narwhal, a single cell, or a whole ecosystem. In this episode of Crash Course Biology, we’re flipping the microscope...

Agriculture is key to solving the climate crisis, but most farmers don’t have the financial incentive to switch to more eco-friendly practices, says banker and farmer Berry Marttin. He explores how improving the systems around carbon and...

If you rank the most habitable places in our solar system Venus lands pretty low, with surface temperatures hot enough to melt lead and sulphuric acid rain. And yet it may have just jumped to the front of the pack. In fact, we may have...

Our mood is influenced in many ways by our environment, and researchers have discovered a possible connection between the pollen in our air and a rise in suicide.

Addresses the need to re-use natural resources and upgrade our urban infrastructure to accommodate waste and conserve energy.

Review the critical concepts of how matter and energy interact in natural systems. This video summarizes the energy processes in organisms and ecosystems, highlighting photosynthesis in plants, energy transfer through food consumption,...

Venture into the fascinating 'factory' of the human body, where water, gases, and electricity play crucial roles in our daily functions. From hydrating cells and transporting nutrients to facilitating breath and powering the heart,...

This is a video discussing decomposition, the process by which organisms break down waste material and dead plant and animal material into simpler substances, which can then be recycled back into the ecosystem to be used by other...