![Scientists weigh in on the safety of Botox injections like this one. [Credit: Eddie Codel, flickr.com]](http://scienceline.org/_s/files/2009/01/botox-carina.jpg)
Scientists weigh in on the safety of Botox injections like this one. [Credit: Eddie Codel, flickr.com]
Black Holes—The Universe’s Prima Donnas?
New research shows black holes cannot grow indefinitely, sparing the cosmos from eventual consumption.
By Erik Ortlip, November 12th, 2008
Chinook Salmon’s Last Meal?
A cooler ocean is feeding hungry salmon, but their ultimate survival remains uncertain.
By Lynne Peeples, November 7th, 2008
Bigger Is Not Always Better
One ugly insect overturns assumptions about the best mate.
By Lindsey Konkel, November 5th, 2008
Dinosaurs Roaring Ahead, by Accident
How a little luck—and a large extinction—aided dinosaurs’ dominance.
By Brett Israel, October 31st, 2008
