Time travel is a staple of sci-fi, but sometimes, even hardcore sci-fi fans can't wrap their minds around the most baffling ...

Classical acoustic impedance inversion (AII) methods rely on mathematical and physical models to estimate subsurface acoustic impedance distribution. However, these methods face difficulties in ...

Wordle Hint July 13 2025 (7/13/25) – Puzzle 1485! Here are some hints for today's Wordle without giving away specifics, so no spoilers in the post!

The North Sea, a region known for its rich history and vital role in energy production, holds a surprising geological anomaly. A study led by scientists from the University of Manchester has uncovered ...

Some of the most devoted hobbyists are willing to shell out big bucks for what one called “a couture puzzle.” ...

Flex your math muscles with this weekend’s brain teaser. Play now.

Full waveform inversion (FWI) is inherently an ill-posed inverse problem. Gradient preconditioning in FWI is crucial for improving the convergence and stability of the inversion process, as it helps ...

Zhou Zhang and Kevin Curry present a monumental riddle in their Sunday puzzle debut.

The Saturday, July 5 puzzle has arrived, so here's a hint to help you out, as well as the full answer if you need it.

Play the free weekly ‘New York’ Magazine crossword puzzle every Saturday morning, constructed by Matt Gaffney. The theme of this week’s clues is ‘Corporate Letterhead.’ ...

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our crossword blog.

Please fill in your full name, email address, mailing address and phone number along with your answers to the puzzles you wish to enter. Kindly Note: -You can only enter once online for each issue ...