An introduction to genetic engineering.

After being kidnapped by the lonely widow of a brilliant geneticist, Kyle finds himself shrunk to doll-size and living with three other children in a dollhouse from which there seems to be no escape.

So far the AstroNuts have failed to find a suitable planet, but NNASA has come up with a new plan: send the the four animal astronauts back through time on Earth where they are to contact early homo sapiens and somehow set them on a path to a sustainable future--trouble is, humans seem inferior to many of the other species (especially the wolves), so the AstroNuts come up with a Survival of the Fittest Olympics, hoping that with a little help the...

"In The Spider Silk Scientists, readers enter Randy Lewis' lab where they come face to face with golden orb weaver spiders and genetically engineered goats, whose milk contains the proteins to spin spider silk--and to weave a nearly indestructible fiber. Learn how this amazing material might someday be used to repair or replace human ligaments and bones, improve body armor, strengthen parachute rope, and even tether an airplane to an aircraft carrier!...