mice, evolution, developmental biology
Rethinking the Rise of Mammals
Rethinking the Rise of Mammals
Bobby Bascomb | Nov 16, 2015
Mammals diversified 30 million years later than previously estimated, according to a new analysis of an ancient fossil.
Blood Cell Development Reimagined
Blood Cell Development Reimagined
Bob Grant | Nov 9, 2015
A new study is rewriting 50 years of biological dogma by suggesting that mature blood cells develop much more rapidly from stem cells than previously thought.
A Tiny Missing Link?
A Tiny Missing Link?
Bob Grant | Nov 2, 2015
The common ancestor of all apes, including great apes and humans, may have been not-so-great in stature.
Adding Padding
Adding Padding
Karen Zusi | Nov 1, 2015
Adipogenesis in mice has alternating genetic requirements throughout the animals’ lives.
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.
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.
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.
Genetic Repression Boosts Memory
Genetic Repression Boosts Memory
Kate Yandell | Oct 1, 2015
Expression or translation of some genes must be turned off in the mouse hippocampus for memories to form.
Gut Bacteria Linked to Asthma Risk
Gut Bacteria Linked to Asthma Risk
Jef Akst | Oct 1, 2015
Four types of gut bacteria found in babies’ stool may help researchers predict the future development of asthma.