Tickets go on sale this week to see Lewis Capaldi, with a presale kicking off from Tuesday, July 8. Capacity at London's O2 Arena For music events, the London O2 has a capacity of 20,000.

Scientists at the University of Helsinki discovered how plants heal their protective outer layer, the periderm. The diffusion of ethylene and oxygen through a wound triggers repair—a finding ...

The development of nanoprobes suitable for two-photon microscopy techniques is highly desirable for mapping biological species in living systems. However, at the current stage, the nanoprobes are ...