Anatomy
Latest about Anatomy
![Close-up of a scar on the upper-right-hand-side of a person's chest. They appear to be wearing blue denim dungarees and one of the shoulder straps is falling down their arm to showcase the scar. The scar is red and darker than the skin around it and is a long, thin line.](https://cdn.mos.cms.futurecdn.net/jQN4jLzsYCx9DvwW32JxeK-320-80.jpg)
Why are scars permanent?
By Emily Cooke published
Scar tissue differs from normal skin in a few important ways.
![Flourescent images of the heart organoids, shown in blue, green, red and then a colorful composite ima](https://cdn.mos.cms.futurecdn.net/6DeAmrA5oDtRS9EVwbbfTE-320-80.jpg)
Scientists are growing teensy hearts to learn which drugs raise risk of congenital defects
By Brett Volmert, Aitor Aguirre, Aleksandra Kostina published
Organoids can replicate each component of the human heart, from its chambers to its veins.
![Microscope image in the center with a blurred version of the image layered behind. The image is of the newly-discovered liver repair cells. The nucleus of these cells can be seen in white and the cell membrane in red. There are also diffuse areas of green and blobs of blue dotted throughout the image, both dark blue and cyan](https://cdn.mos.cms.futurecdn.net/cktNkPyBRtuj7aDESe8V4f-320-80.png)
Scientists discover new type of cell in the liver
By Emily Cooke published
The newly-discovered cells help shed light on how the liver repairs itself after damage.
![Microscope image shows a tube-like structure with four "spikes" or extended-out bits on the top and four on the bottom. A tumor can be seen beginning to form in the bottom right-hand side of the structure.](https://cdn.mos.cms.futurecdn.net/javxU77ETB72wUqq4R4ZN4-320-80.jpg)
Scientists just grew super realistic, miniature colons in the lab and gave them cancer
By Emily Cooke published
The tiny colons were grown from mouse stem cells, but human versions could one day be used to test new drugs for colorectal cancer, scientists say.
![Woman can be seen sat on a wooden floor coughing into her elbow while she holds a cup of tea in a blue mug in the other hand. The background is blurred, however, she is sat next to a wooden coffee table and a grey couch with blue cushions. There is also a bookshelf behind her and a wooden stool against a kitchen counter to the right](https://cdn.mos.cms.futurecdn.net/4epdzHfyBh9MkwwaLLWEbN-320-80.jpg)
Scientists uncover the cells that save you when water goes down the wrong pipe
By Emily Cooke published
In a mouse study, scientists uncovered the sensory cells that trigger coughing when you inhale water by mistake.
![close up of a lampreys circular mouth full of teeth pressed up against the glass of a fish tank](https://cdn.mos.cms.futurecdn.net/XjnjAj9t2xe8a3kZjyrs9F-320-80.jpg)
Nightmare fish may explain how our 'fight or flight' response evolved
By Joanna Thompson published
A new study of vertebrate evolution reveals that we have more in common with spooky-looking fish called lampreys than we thought.
![photo of a student holding a pen and notebook as she looks at a 3D model of the systems of the human body](https://cdn.mos.cms.futurecdn.net/HJe4pNiQNtQVMRN5oNikAn-320-80.jpg)
What are the systems of the body? Fast facts about the human body and how it works
By Rachael Rettner, Scott Dutfield, Nicoletta Lanese last updated
Reference Learn all about the human body's many systems and some of its individual organs, both vital and vestigial.
![a crowd of people in a field look up at a solar eclipse taking place in a clear sky above](https://cdn.mos.cms.futurecdn.net/6pHpxEML7BbP5EFgypm8XM-320-80.jpg)
Colors will look different during the April 8 solar eclipse. Here's why.
By Riis Williams published
When the moon fully eclipses the sun, it's not just the sky that changes. Your eyes do, too.
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