cloning, evolution, ecology
New Way to Make Embryonic Stem Cells
Amy Coombs | Oct 5, 2011
A breakthrough in somatic cell nuclear transfer opens the possibility of producing human embryonic stem cells with a patient’s own genes.
Evolution, Tout de Suite
Richard P. Grant | Oct 1, 2011
Epigenetic perturbations could jump-start heritable variation.
Early Warning Signs
Richard P. Grant | Oct 1, 2011
Editor’s choice in Ecology
Newly Discovered Species
Newly Discovered Species
N/A | Oct 1, 2011
Life on Earth is mind-bogglingly diverse with estimates of the number of existing species in the tens of millions. Over the last 4 billion years, many species have gone extinct; and because of the actions of humans, many existing species are now endangered.
Beyond Nature vs. Nurture
Darlene Francis and Daniela Kaufer | Oct 1, 2011
Researchers studying differences in how individuals respond to stress are finding that genes are malleable and environments can be deterministic.
Conserving Our Shared Heritage
Thomas E. Lovejoy | Oct 1, 2011
Reversing catastrophic threats to our planet’s biodiversity is not optional: our lives depend on it.
Marauding Moths
Jessica P. Johnson | Oct 1, 2011
Dried plant specimens reveal the origin of an insect pest that has spread throughout Europe.
Speaking of Science
N/A | Oct 1, 2011
A selection of quotes from past issues of The Scientist.
Biodiversity
Thomas E. Lovejoy | Oct 1, 2011
Ecosystems are failing and extinction rates are soaring. Thomas E. Lovejoy and Edward O. Wilson weigh in on why cataloging existing species, discovering new ones, and maintaining a balanced and diverse global ecosystem are critical for ensuring a habitable environment for all.
Beetles Stay True to Their Colors
Cristina Luiggi | Sep 30, 2011
Fifteen to 47-million-year-old fossil beetles have retained their structural colors almost intact.