Genetics

by Sanjana Kulkarnifigures by Corena Loeb The bacteria Mycobacterium tuberculosis (TB) has been infecting humans for thousands of years. Today, TB, which is thought to have originated in Africa and evolved alongside human hosts, is found across the…

by Sophia Swartzfigures by Jasmin Joseph-Chazan If you put all of the living things on Earth in a box–from humans to anteaters to teeny-tiny tardigrades–and then plucked one of these organisms out at random, it is very, very likely that you just found…

by Alex Yenkinfigures by Allie Elchert Long before the completion of the Human Genome Project, scientists knew that many common diseases had a genetic component. However, there was debate about the architecture of these genetic effects: were there a…

Scientists have discovered another piece in the puzzle of how tabby cats get their stripes.

Asexual species do not have genetic variability like humans, and most animals, do. Despite that, they can still adapt to environmental changes using modifications to their DNA known as epigenetic changes.

by Samantha Roylefigures by Allie Elchert Have you ever thought about how a single cell can grow into a living, breathing, human? The extraordinary complexity of our thinking brains, wiggling fingers and beating hearts emerges from a single celled…

The DNA from children of Chernobyl survivors has been sequenced and does not show higher levels of mutations than other children.

by Aleks Procherafigures by Shreya Mantri  The past year and a half have been a time of profound uncertainty. We all wish we could gaze into a COVID crystal ball and get answers to our burning questions. Some of us would want to know how long the…

Base repair editing may be the cure for a genetic mutation leading to childhood aging syndrome.

How do you introduce yourself, scientifically? My name is Mia Miyagi, and I’m an evolutionary biologist, which means that I study how the process of evolution works and how that process has generated the incredible biodiversity that we have…