Why most flu infections fizzle: Fluorescent imaging shows transcription is a key bottleneck

For the first time, scientists have been able to watch the flu virus live as it infects human airway cells. They developed a ...

A bacterium's built-in compass, explained: Single-cell magnetometry confirms Earth-field alignment

Some bacterial species possess an astonishing ability: They use Earth's magnetic field to orient themselves. To better understand this mechanism, the team led by Argovia-Professor Martino Poggio from ...