Swinton plays a woman dying of cancer in Pedro Almodóvar's The Room Next Door. "A life spent considering how we're going to spend our end is not wasted time," Swinton says.

In order to better understand her circadian rhythm, science journalist Lynne Peeples conducted an experiment in which lived for 10 days in a bunker, with no exposure to sunlight or clocks.

Now, a growing group of scientists and companies say they’ve found a way to increase that storage capacity by tweaking ocean water chemistry. The technique, known as ocean alkalinity enhancement ...