Site Search

This film begins with phenomena linked to climate change and then examines how Earth’s temperature is controlled, how we know it is changing, and how the current changes compare to those over the last 800,000 years.

This video describes how scientists silence different genes in regenerating planaria to study the process of regeneration at the molecular level.

This animation explores how carbon enters the atmosphere and can be removed through a series of chemical reactions.

This animation provides an overview of the greenhouse effect, a process that warms the atmosphere and surface of Earth.

This video shows real footage of somatic cell nuclear transfer (SCNT) being performed on eggs.

This animation shows how stem cells from early mammalian embryos can be grown and studied in a laboratory.

This animation gives an overview of how a fertilized human egg develops into an embryo.

This animation shows how zebrafish can rapidly heal wounds to the heart.

This animation shows how somatic cell nuclear transfer (SCNT) creates an embryo from an egg cell and a body cell.

This animation shows how salamanders can replace missing limb tissues with the help of cells similar to stem cells.

This animation shows how the protein MECP2 helps switch off gene expression.

This animation shows how X chromosomes are randomly switched off in most female mammals.