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This video describes the technology of metabarcoding, which allows scientists to determine herbivore diets based on the sequences of plant DNA extracted from animal dung.

The Geologic Carbon Cycle

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

Greenhouse Effect

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

Coding Sequences in DNA

This animation describes how only a small part of the human genome directly codes for proteins.

Human Genome Sequencing

This animation shows how the Human Genome Project sequenced the human genome, which contains over 3 billion nucleotides.

Sanger Sequencing

This animation illustrates Sanger sequencing, one of the earliest methods used to sequence DNA.

Shotgun Sequencing

This animation illustrates shotgun sequencing, a method that was used to sequence the human genome.

Triplet Code

This animation describes how many nucleotides encode a single amino acid, which is a key part of the genetic code.

X Inactivation

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