Every lightning strike begins as a silent exchange of charge — leaders reaching down, streamers rising up — until, in an ...

During animal development, cells divide and arrange themselves in a coordinated way, eventually forming the embryo. The cells communicate with one another during this process through cell-surface ...

Lightning is hotter than the surface of the sun and kills up to 20 people in the United States each year, but how exactly ...

A new method uses helium droplets combined with ultrashort laser pulses to trigger chemical reactions in a controlled way.