Uncategorized
-
AstronomySolar System Small Fry: Stellar blinks reveal tiny bodies near Pluto
By measuring tiny dips in the intensity of X rays from a distant star, astronomers say they have detected more than 50 of the tiniest chunks of ice ever found in the outer solar system.
By Ron Cowen -
PaleontologyNew View: Method looks inside embryo fossils
Using an X-ray–scanning technique, scientists have taken a high-resolution peek inside fossilized embryos of some early multicellular organisms.
By Sid Perkins -
EarthMacho Moms: Perchlorate pollutant masculinizes fish
Perchlorate, a compound best known as a component of rocket fuel, can disrupt sexual development in fish.
By Janet Raloff -
19719
To argue that the concentrations reported in this study are environmentally relevant is misleading.