After a year of loss, Betsy Andrews returns to the deep calm and natural wonder of this eight-island archipelago stretching from Santa Barbara south to San Diego.

Three newly identified food proteins may guide the immune system to tolerate certain foods, shedding light on food allergies and tolerance.

In species such as oak, collecting from mast years may improve the odds of transmitting beneficial adaptive traits. In all cases, understanding how trees' memory works, not just within a tree's ...