Twenty years ago, paleontologist Mary Schweitzer made an astonishing discovery. Peering through a microscope at a slice of dinosaur bone, she spotted what looked for all the world like red blood cells. Leer más.
Acaba de salir este volumen. Ir al enlace.
Acaba de salir este volumen. Ir al enlace.
The CDC reports a total of 248 persons infected with the outbreak strains of Salmonella Sandiego, Salmonella Pomona, and Salmonella Poona have been reported from 34 states. Leer más.
It was March 2007 and we had just started our Loudoun Amphibian Monitoring Program. With the excitement of the program launch, people started telling us about special spots where amphibians may live and breed. One of the leads I got was from Liam McGranaghan for an area in Lucketts known for its undulating forest habitat and sink holes. Leer más.
