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Scientists Grow Turtle Skin to Study New Virus

Thierry Work and a team of wildlife disease researchers are manufacturing reptile skin in the hopes of saving endangered turtles. A virus, ChHV5, has been infecting endangered green sea turtles, causing tumors to grown on the their skin and inside their…

Zebrafish Heart - 3 Days Old

Here is the developing zebrafish heart at 3 days post-fertilization. Unlike mammals, which have four chambers, the zebrafish heart consists of only two: a single ventricle (left) and a single atrium (right). Despite the difference in the number of…

Michka Sharpe

My name is Michka Sharpe. I am from Kingston, Jamaica. I developed a passion for the natural world in Jamaica growing up surrounded by water and living in the mountains. I am also from a family of artists and so I learned to appreciate the beauty of what…

Perspective I

The image above shows a developing zebrafish eye 3 days after fertilization. From this perspective, we are staring directly into the eye of the zebrafish and can appreciate both its beauty and its complexity. At this stage, the cells that comprise and…

From Seed to Organ: Growing a Liver

Over 17,000 Americans are currently waiting for liver transplants, with millions more living with chronic liver disease. There simply aren’t enough healthy organs to go around. So why not engineer them? Growing a liver “from scratch” by using its…

The Single Cell Revolution: Zooming into human health & disease

by Eric P. Grewal figures by Abby Burrus The human body is made of thousands of types of cells, from neurons to blood cells and skin cells to kidney cells. While these cells differ vastly in shape and purpose, they all share one thing in common—their…

Roman Building Techniques - Stronger Than We Thought

There is something unusual about Roman sea walls: they last for a very long time. In fact, while modern concrete erodes when exposed to seawater and eventually requires replacement, Roman concrete grows even stronger. Professor Marie Jackson at the…

Tooth Decay: An epidemic in America’s poorest children

by Leah Rosenbaum Last April, Dr. Paul Reggiardo saw a patient who was referred to his dental office in Huntington Beach, California from the local emergency room. She was an eight-year-old girl with facial swelling, the soft tissue on her head puffy…