Why Do Birds Have ZW Sex Chromosomes Instead Of XY?

Your sex characteristics were determined by X and Y chromosomes, same as most other creatures from humans to fruit flies. So why do birds and butterflies have ZW chromosomes instead? And more importantly, why does ZW produce a female bird while ZZ produces a male? » 1/29/15 11:23am 13 minutes ago

The Truth About Books, Money, Awards (And Not Quitting Your Day Job)

Authors seldom discuss how much money they actually make writing science fiction or fantasy. But on her blog, Kameron Hurley breaks it down, listing all her advances and how much she actually ended up with. And she explains how winning an award can change the game, and why she won't quit her day job. » 1/29/15 11:02am 34 minutes ago

11 Ways The Future Could Turn Out Differently Than You Expect

Many of us, owing to an intuitive sense of where technological and social progress are taking us, have a preconceived notion of what the future will look like. But as history has continually shown, the future doesn't always go according to plan. Here are 11 ways the world of tomorrow may not unfold the way we expect. » 1/29/15 10:30am Today 10:30am

Terminator: Genisys Still Looks Way Better Than It Has Any Right To

The Super Bowl commercial for Terminator: Genisys has come early, and like the last trailer, it looks way better than any movie that intentionally misspells "Genesis" should. On paper, it sounds so bad, but then I see the footage of the old Arnold vs. young Arnold Terminators, and I just get all giddy. » 1/29/15 9:40am Today 9:40am

How It Would Look If Other Types Of Stars Were Close As The Sun

What would it look like if other stars were as close as the sun? For starters, we may have more than one, and it may be either much bigger or smaller than our current orbital star, as shown in these videos, which explore a hypothetical universe where our sun has been replaced with other stars and our moon with planets. » 1/29/15 9:20am Today 9:20am

Final Jupiter Ascending Trailer Is A Mini-Version Of The Entire Movie

Warner Bros. is clearly worried about Jupiter Ascending. Sure, it looks gorgeous, but it also looks so damn weird — which is presumably why WB released this three-minute trailer just a week before the film's release which seems to explain everything that's going to happen in the movie, in chronological order. » 1/29/15 6:44am Today 6:44am

Get a Free 2-Weeks of Crunchyroll Anime: Stream the Full Catalog Ad-Free

Crunchyroll, one of the top destinations for current and classic anime, is offering Kotaku readers a free two-week trial of their Anime Membership. In addition to streaming their entire anime catalog ad-free, you'll get access to the anime simulcasts - getting the latest anime episodes the same day they're released in… » 1/28/15 3:09pm Yesterday 3:09pm