2022年11月29日 · We're long overdue for an accurate world map. Get the real story behind different map projections and see which one is the most accurate map of the world.

2013年6月24日 · This data has real-world applications, since vegetation plays a major role in the way water and energy cycle through our planet's systems. Seeing the weekly changes in vegetation density may provide early warning for disasters such as droughts, wildfires and even malaria outbreaks.

2018年11月7日 · One of the most remarkable and mysterious technical advances in the history of the world is written on the hide of a 13th-century calf. Inked into the vellum is a chart of the Mediterranean so accurate that ships today could navigate with it.

2021年7月7日 · The earliest known attempt to show the Earth in its entirety was the Imago Mundi, or Babylonian map of the world, thought to date to around 600 B.C. The city of Babylon itself figures as a large rectangle, bisected by another rectangle representing the Euphrates River.

2020年12月28日 · Even when they're marked on a globe, the real North and South Poles are not fixed points, because the Earth — being an ellipsoid rather than a perfect sphere — wobbles ever so slightly in its spin. This irregularity in polar rotation was confirmed in 1891 by American astronomer Seth Carlo Chandler.

2023年2月10日 · But physicists strive to describe the real world, where one doesn’t encounter an infinite number of anything, let alone universes. “At the end of the day, my physics instincts pull me away from eternal inflation,” Albrecht says.

2011年1月25日 · You might recognize McGonigal from her talk at TED, "Gaming Can Make a Better World." But now that speech has become a full-on how-to guide: her new book Reality Is Broken, which came out yesterday. It details how games can fix what's wrong with the real world (and not just escape from it).

2013年10月7日 · The real deal: Astronaut Bruce McCandless zips around using NASA's Manned Maneuvering Unit, back in 1984. Unlike what you see in Gravity, such suits are no longer in use, and astronauts remain tethered for safety.

2023年5月22日 · In the deep mysterious waters of the Galápagos Islands lies Darwin Island. Get the real story behind Charles Darwin’s work and how he made the area famous.

2020年12月21日 · The Maya calendar simply ticked over to a new b’ak’tun, equal to about 394 years, and the world continued. The obsession with the Maya calendar and doomsday makes sense from one perspective. After all, Maya religious observances did rely heavily on their amazingly accurate calendar.