In the April 1 SN: Digital tech on the brain, cancer’s sweet spell, elephant sleep stats, ancient stardust spotted, a hydrothermal cradle of life, nutrition in a changing climate, nesting-doll parasitism, a neutrino trio and more.
each week, a scientist takes a stroll on the barren upper slopes
of Hawaii’s Mauna Loa
volcano, a basketball-sized glass sphere in hand. At some point, the researcher
faces the wind, takes a deep breath, holds it and strides forward while
twisting open a stopcock. With a whoosh lasting no more than a few seconds, 5
liters of the most pristine air on the planet replaces the vacuum inside the