In the July 6 SN: Celebrating the 50th anniversary of Apollo 11, stone tool dates face scrutiny, ocean plastic goes deep, records of Inca taxation, erosion spurred plate tectonics and more.
BEHIND GLASS Science News astronomy reporter Lisa Grossman visits the pristine sample lab at NASA’s Johnson Space Center in Houston in March. The display case holds rocks collected during Apollo 15 and 16. The 1.5-kilogram chunk of volcanic basalt in the center is 3.4 billion years old.
Felix Sanchez
UNDER WATER Seawater inundates a street in Miami Beach on June 27, 2018, at high tide. A new NOAA report suggests that by 2019 the southeastern United States will experience a 190 percent increase in the number of days with high tide floods relative to 2000.
RosaIreneBetancourt 13/Alamy Stock Photo
SHINE ON Noctilucent clouds that catch sunlight after dark are showing up farther south than usual this year. Scientists are studying the upper atmosphere to figure out why.
Matthias Süßen/Wikimedia Commons (CC BY-SA 4.0)
LIFE IN 3-D Colored filters let a praying mantis watch a 3-D video of a moving disk while researchers studied the nerve cells that contribute to the insect’s depth perception.
Newcastle Univ., UK
