Cellular death is a fundamental concept in the biological sciences. Given its significance though, its definition depends on the context in which it takes place, and lacks a general mathematical ...

Using a tiny, spherical glass lens sandwiched between two brass plates, the 17th-century Dutch microscopist Antonie van Leeuwenhoek was the first to officially describe red blood cells and sperm cells ...

But watching how the flu virus sneaks into cells has been difficult because standard microscopes can't capture these fast, tiny steps clearly. In a breakthrough study, scientists from Switzerland and ...