evolution, developmental biology
Viral Protector
Viral Protector
Jef Akst | Apr 21, 2015
A retrovirus embedded in the human genome may help protect embryos from other viruses, and influence fetal development.
Citrus History
Citrus History
Jenny Rood | Apr 16, 2015
An analysis of 34 chloroplast genomes reveals how and when modern fruit varieties evolved from a common ancestor.
Behavior Brief
Behavior Brief
Jenny Rood | Apr 8, 2015
A round-up of recent discoveries in behavior research
Capsule Reviews
Capsule Reviews
Bob Grant | Apr 1, 2015
Junk DNA, Cuckoo, Sapiens, and Cool
Contributors
Contributors
Jenny Rood | Apr 1, 2015
Meet some of the people featured in the April 2015 issue of The Scientist.
From Many, One
From Many, One
Elena E. Giorgi | Apr 1, 2015
Diverse mammals, including humans, have been found to carry distinct genomes in their cells. What does such genetic chimerism mean for health and disease?
Ebola Mutation Rate Quibble
Ebola Mutation Rate Quibble
Jef Akst | Mar 27, 2015
A study suggests that the virus may not be evolving as quickly as a previous group estimated.
Short, Strong Signals
Short, Strong Signals
Ruth Williams | Mar 25, 2015
Methylation increases both the activity and instability of the signaling protein Notch.
Oldest <em>Homo</em> Remains Yet Found
Oldest Homo Remains Yet Found
Ruth Williams | Mar 4, 2015
A newly discovered 2.8 million-year-old jawbone is thought to be that of a direct human ancestor.
Falling Out of the Family Tree
Falling Out of the Family Tree
Jef Akst | Mar 1, 2015
A mutation in an ethanol-metabolizing enzyme arose around the time that arboreal primates shifted to a more terrestrial lifestyle, perhaps as an adaptation to eating fermented fruit.