Each human cell contains 23 pairs of chromosomes that carry DNA within their nucleus. The X and Y chromosomes, commonly referred to as the sex chromosomes, are one such pair. They determine the ...

With the overarching plot feeling fairly bland, many fans forgot about some very interesting, if underused, factors of X and Y's lore: AZ and the Pokémon War. Pokmon Scarlet and Violet were held ...

The universe's wildest objects and events, from black holes to the collisions of neutron stars, emit X-rays. NASA's Chandra ...

Think you’re observant enough to spot the difference between two very similar pictures? Let’s find out! Grab a timer (or move at a leisurely pace) and see how many subtle differences you can ...

Growing up we learn the alphabet song to become familiar with our ABC's, but the number of letters in the alphabet wasn't ...

WIRED is where tomorrow is realized. It is the essential source of information and ideas that make sense of a world in constant transformation. The WIRED conversation illuminates how technology is ...

What sound does the letter y make? The letter ‘y’ on the end of a word can make a long ‘e’ sound or a long ‘i’ sound. Here we will focus on words that end in ‘y’ that make the long ...

Marked by turmoil, tragedy and triumph, 1968 was a roller coaster. Political protests hit an international crescendo, violence struck at the heart of America and wartime atrocities tested the ...

Consonants are the rest of the letters in the alphabet: b, c, d, f, g, h, j, k, l, m, n, p, q, r, s, t, v, w, x, y and z The letter 'y' is a bit different, because ...

The Chandra X-ray Observatory marked its 25th anniversary with a release of never-before-seen images. But budget cuts may ...

This week’s winners will be announced by Aug. 7. By The Learning Network We are honoring the Top 9 winners of our Student Open Letter Contest by publishing their entries. This one is by Anya ...

This title is part of a longer publication history. The full run of this journal will be searched. TITLE HISTORY A title history is the publication history of a journal and includes a listing of the ...