stem cells, ecology, evolution
Evolution of the Penis
Evolution of the Penis
Kerry Grens | Oct 30, 2015
A phallus-less reptile goes through a developmental stage with external genitalia, suggesting a common origin for the organ among amniotes.
Latest in Heart Stem Cell Debate
Latest in Heart Stem Cell Debate
Kerry Grens | Oct 27, 2015
Given the right environment, cKit+ cells from the mouse heart can develop into new cardiac muscle, according to a study.
Dogs Originated in Central Asia
Dogs Originated in Central Asia
Karen Zusi | Oct 21, 2015
Man’s best friend was domesticated near Nepal and Mongolia at least 15,000 years ago, according to a genetic analysis.
Life Before 4 Billion Years Ago?
Life Before 4 Billion Years Ago?
Jef Akst | Oct 20, 2015
A new estimate of the origin of life on Earth pushes back the date by 300 million years.
Buzzed Honeybees
Buzzed Honeybees
Karen Zusi | Oct 20, 2015
Caffeinated nectar makes bees more loyal to a food source, even when foraging there is suboptimal.
Growing Placenta-Generating Cells
Growing Placenta-Generating Cells
Jef Akst | Oct 14, 2015
Researchers derive trophoblast stem cells from mouse fibroblasts, paving the way for cell therapy for placental dysfunction diseases.
Stem Cell Therapy In Utero
Stem Cell Therapy In Utero
Kerry Grens | Oct 13, 2015
An upcoming clinical trial aims to correct for a disease of fragile bones in affected babies before they are born.
Mini-Kidneys from Stem Cells
Mini-Kidneys from Stem Cells
Jef Akst | Oct 7, 2015
Researchers grow kidney-like structures from human induced pluripotent stem cells.
One-Third of Cactus Species Threatened
One-Third of Cactus Species Threatened
Karen Zusi | Oct 6, 2015
A global assessment of declining cacti populations places responsibility on increasing human activities.
Polar Dino Discovered
Polar Dino Discovered
Bob Grant | Sep 28, 2015
Researchers working in Alaska, above the Arctic Circle, have unearthed the northernmost species of dinosaur ever found.