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New technique ‘prints’ cells to create diverse biological environments

With the help of photolithography and programmable DNA, researchers have created a new technique that can rapidly ‘print’ two-dimensional arrays of cells and proteins that mimic a wide variety of cellular environments in the body. This technique could help scientists develop a better understanding of the complex cell-to-cell messaging that dictates a cell’s final fate.

New technique ‘prints’ cells to create diverse biological environments

With the help of photolithography and programmable DNA, researchers have created a new technique that can rapidly ‘print’ two-dimensional arrays of cells and proteins that mimic a wide variety of cellular environments in the body. This technique could help scientists develop a better understanding of the complex cell-to-cell messaging that dictates a cell’s final fate.

What is the gegenschein?

The sun’s counterglow – or gegenschein – is kind of a stargazers’ legend. What is it, and how can you see it? Erwin Matys and Karoline Mrazek of Project Nightflight explain.

Swirling seals win top underwater photography honors

While waves may roil and sunlight might dance atop the water, often the most interesting activity happens underneath the surface. Since 1965, the Underwater Photographer of the Year awards have been focused on this fascinating underwater realm. The competition “celebrates…

Why Iran's Lake Urmia disappeared — and may be coming back

Tucked in the northwest corner of Iran, Lake Urmia was once the second-largest saltwater lake in the world. At its peak, the lake once covered a surface area of 5,000 square kilometers (2,000 square miles), reports Iran’s Radio Farda. Its…

12 captivating images from the Sony World Photography Awards

Gorgeous landscapes and emotional portraits are just some of the elements captured by the finalist and shortlisted entries in the Sony World Photography Awards. In its 13th year, the 2020 competition received more than 345,000 images from 203 countries and…

9 things you didn't know about astronaut Christina Koch

NASA astronaut Christina Hammock Koch returned to Earth after setting a record for the longest single spaceflight in history by a woman. During her 328 days in space, she completed six spacewalks, including conducting the first all-female spacewalk with fellow…

9 stunning photos capture beautiful landscapes around the globe

From lush forests in Portugal to massive expanses of ice and snow in West Mongolia, there are breathtaking landscapes to be found no matter where you are. For the sixth International Landscape Photographer of the Year competition, professional and amateur…