arise

This suggests that biological changes associated with Alzheimer's may begin many years before symptoms arise, especially in people experiencing metabolic stress or obesity.

This is all well and good in theory, but it's only sustainable in practice if everyone sticks to the principles when problems arise, as they inevitably do through an F1 season.

The research also highlights the complex trade-offs that arise when improving air quality, since actions that protect human health can also affect cloud-induced cooling.

He added: "My resignation letter might clarify my reasons for resigning. It might also serve to inform misconceptions which may have arisen for committee members and viewers."

One idea is that the earliest spark of a lightning bolt could arise directly from charged ice crystals.