Dual-Venomed Assassin Bugs Store Their Chemical Arms Separately

Posted on Categories Discover Magazine

A well-fed assassin bug in the lab at the University of Queensland. Photo Credit: Christie Wilcox In one of his journal entries from his time aboard The Beagle, Charles Darwin told of a “great black bug” and how it boldly sucked blood from his finger through its large mouthpart. The creature was likely Triatoma infestans, a kissing bug—one of the almost 7,000 species of assassin bug that are now described. Like its kin, it’s armed with ...read more

Sexual Signaling, Dino-Style

Posted on Categories Discover Magazine

Sexual signaling back in the day was as subtle as today’s Axe body spray: “Do I make you horny, baby?” asks Styracosaurus, whose marvelous multi-horn display is among the most elaborate of the ceratopsians. (Credit Wikimedia Commons/LadyofHats) Triceratops to potential mate: “Hey baby, check out my frill and big horns…you know what they say, big horns, big everything, awwwww yeahhhhh…” Apparently, that’s how hook-ups went down in the Mesozoic, a ...read more

What Stephen Hawking's Final Paper Says (And Doesn't Say)

Posted on Categories Discover Magazine

(Credit: Martin Hoscik/Shutterstock) Before he died, renowned cosmologist Stephen Hawking submitted a paper, with co-author Thomas Hertog, to an as-yet-unknown journal. The paper deals with the concept of the multiverse and a theory known as cosmic inflation. Though the paper currently exists only in pre-print form, meaning it hasn’t completed the process of peer-review, it’s received a significant amount of coverage. “Stephen Hawking’s last paper,” after all, doe ...read more

Hold Off Dyeing Your Hair With Graphene Nanoparticles

Posted on Categories Discover Magazine

Subbing new risks for the current dyes’ dangers? (Credit: Evgeny Savchenko/Shutterstock) Graphene is something of a celebrity in the world of nanoscale materials. Isolated in 2004 by Nobel Prize winners Andre Geim and Konstantin Novoselov, these ultrathin sheets of carbon atoms are already finding novel uses in areas like electronics, high-efficiency heating systems, water purification technologies and even golf balls. According to recent research published in the journal Chem, hair dyes ...read more