Images of a hot-pink lake in Melbourne have taken over the internet this week. The coloration is the result of a salt-loving microbe’s attempt to make its own sunscreen.
In photographs by NASA’s Cassini spacecraft, the closest images ever taken, the tiny, wrinkly moon has a deep ridge that could be a couple of miles high.
By KENNETH CHANG
Matter
PhotoCreditP.C. Poulsen/Hulton Archive, via Getty Images
The search for the Malaysia Airlines jetliner helped create 3-D maps of the ocean’s topological complexity, at a level of detail never before achieved.
By NICHOLAS ST. FLEUR
PhotoCreditClockwise from top left: Robert Galbraith/Reuters; Jamie Francis, via The Oregonian, via Associated Press; Noah Berger, via Associated Press; Stephen B. Morton for The New York Times
The president has spoken often about climate change, energy, coal and wind turbines. His statements are often provocative but not always consistent. A sampling.
A study suggests it became advantageous to lose a shell’s encumbering protection while gaining the speed and agility to evade predators and catch prey.
A study that examined domesticated trees and plants, including in areas near archaeological sites, supports the idea that indigenous humans helped shape the forest.
Frogs and salamanders, wakened a bit sooner than usual this year, are walking to their mating areas. Volunteers help many make it past perilous traffic.
