In the Aug. 5 SN: Seismologists study North Korea’s nukes, souped up solar cells, Larsen C finally cracks through, marshmallow test goes to Africa, bacteria’s mysterious architecture, an entanglement distance record, solar eclipse paths to come 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