Apocalypse 1953: Homicidal Alien Blobs

Apocalypse 1953: Homicidal Alien Blobs

Arthur Clarke's Childhood's End was my main pick for 1953 in our survey of post-apocalyptic sci-fi, but John Wyndham's Kraken Wakes is another great apocalypse novel from the same year. (It was…
The dark side of trilobites: Cannibalism

The dark side of trilobites: Cannibalism

One of the most cuddly early animals might have been a pack-hunting cannibal.    Those cute critters of the early Earth may have been roving packs of cannibals, according to new evidence on…
Why sex for reproduction?

Why sex for reproduction?

In dioecious species you have males and females, and males do not directly produce offspring. The increase of the population is constrained by the number of females in such lineages (male gametes are…
AGU Meetup? (San Fran, Dec 13-17)

AGU Meetup? (San Fran, Dec 13-17)

Hi all, I'm giving an invited talk at the AGU this year and would looooove to hook up with other Science2.0-ers.  Anyone else going to be there, or in San Fran, Dec 13-17?  I'll be there on…