Abstract: Recently, a new image encryption algorithm based on chaos has been proposed [Circular inter-intra pixels bit-level permutation and chaos-based image encryption, Information Sciences, 355-356 ...

UPDATE: May 18, 2017, 5:06 p.m. SGT Updated with the Ministry of Education's new statement. A math question apparently meant for 7-year-olds has left adults befuddled. The bonus math question -- which ...

Although naturally occurring proteins form stable defined tertiary structures, it is well known that many proteins with non-natural sequences have unstructured conformations 1,2. This suggests that ...

Alice the quantum magician: If you shuffle a large deck of cards and then hide most of the labels on the cards, no-one will be able to tell what permutations you made – unless the cards are quantum.

This year has seen some amazing advancements in fundamental mathematics. Researchers have made breakthroughs in geometry, topology, chaos theory, and more. And a startling three of our top 10 ...

Extreme heat in Japan and Australia. Flash floods in Texas and across Europe. Billion-dollar-damaging storms in the Caribbean and Southeast Asia. Weslynne Ashton is a professor of environmental ...

View post: Amazon is selling flip-flops with extra arch support for just $20, and they come in 6 colors ...

Abstract: It is known that, when n is even, the number of permutations of {1,2,...,n} all of whose cycles have odd length equals the number of those all of whose cycles have even length. Adin, Hegedüs ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

With how many projects we all seem to have going on around the house at any given time, having portable cordless tools is a must. While options like drills and impacts might get most of the hype, ...

Goldman Sachs raised its Nvidia price target to $210 while warning of “circular revenue” risks tied to the company’s AI partnerships. Barclays lifted its target to $240 but questioned Nvidia’s ...