giant spires of life poked from the Earth. Fossils of these mysterious stalks, dating to between 350 million and 420 million years ago, reveal “trunks up to 24 feet … high and as wide as 3 ...

Brain teasers improve cognitive skills by challenging pattern recognition. A puzzle asks you to find the missing letter among A, E, and O in a grid. Pattern recognition brain teasers are designed ...

Last year, more than 40 percent of the Earth’s surface was at least 1.5 ... caused by the El Niño weather pattern, occurred on top of a long-term increase in ocean heat content, a climate ...