21/04/2022

Over 4 million photos taken from space chronicle change over time

These pictures depict the magnificent wonders of our planet, yet, they weren't taken anywhere on Earth. Instead, they were captured by astronauts aboard the International Space Station to chronicle the fragile beauty and ...

Dividing walls: How immune cells enter tissue

To get to the places where they are needed, immune cells not only squeeze through tiny pores. They even overcome wall-like barriers of tightly packed cells. Researchers at the Institute of Science and Technology Austria (ISTA) ...

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