Researchers in China have developed a rewriteable paper coating that can encrypt secret information with relatively low-tech invisible ink—water. A message printed out by a water-jet printer on a manganese-complex-coated ...
Materials Science
Sep 25, 2019
0
72
Aurora-watchers gazing at spectacular displays over the Labor Day weekend may have been seeing more than the northern lights. They may have been dazzled by STEVE as well.
Earth Sciences
Sep 5, 2019
1
1556
Is the Loch Ness monster a shark? A giant catfish? A sturgeon? No, it's a giant eel! Or at least it could be, according to a study published on Thursday.
Plants & Animals
Sep 5, 2019
1
70
Movies featuring heroes with superpowers, such as flight, X-ray vision or extraordinary strength, are all the rage. But while these popular characters are mere flights of fancy, scientists have used nanoparticles to confer ...
Nanomaterials
Aug 27, 2019
3
460
A second planet has been discovered circling Beta Pictoris, a fledgling star in our own galaxy offering astronomers a rare glimpse of a planetary system in the making, according to a study published Monday.
Astronomy
Aug 19, 2019
0
1760
Flourishing in spectacular numbers in lakes and ponds around the world, tiny creatures known as Daphnia play an essential role in freshwater ecology. Daphnia, a type of planktonic crustacean, are the primary consumers of ...
Ecology
Jul 15, 2019
0
101
It looked like a scene from a sci-fi blockbuster: an astronomer in the Netherlands captured footage of a train of brightly-lit SpaceX satellites ascending through the night sky this weekend, stunning space enthusiasts across ...
Astronomy
May 29, 2019
38
1089
For the scientists that study animal behavior, even the simplest roundworm poses huge challenges. The movement of squirming worms, flocking birds and walking humans changes from moment to moment, in ways that the naked eye ...
General Physics
Feb 1, 2019
3
146
The NASA/ESA Hubble Space Telescope has captured the most detailed image yet of a close neighbour of the Milky Way—the Triangulum Galaxy, a spiral galaxy located at a distance of only three million light-years. This panoramic ...
Astronomy
Jan 7, 2019
2
308
Gazing across 300 million light-years into a monstrous city of galaxies, astronomers have used NASA's Hubble Space Telescope to do a comprehensive census of some of its most diminutive members: a whopping 22,426 globular ...
Astronomy
Nov 29, 2018
3
196
