artificial selection, developmental biology, evolution
Thousands of Mutations Accumulate in the Human Brain Over a Lifetime
Thousands of Mutations Accumulate in the Human Brain Over a Lifetime
Ruth Williams | Dec 7, 2017
Single-cell genome analyses reveal the amount of mutations a human brain cell will collect from its fetal beginnings until death.
Image of the Day: Horseshoe Bat 
Image of the Day: Horseshoe Bat 
The Scientist Staff | Dec 4, 2017
Factors such as humidity and temperature can affect how Rhinolophus clivosus use echolocation. 
Passing the Torch
Passing the Torch
Mary Beth Aberlin | Dec 1, 2017
Looking back, looking forward
Insects’ Neural Learning and Memory Center Discovered in Crustaceans
Insects’ Neural Learning and Memory Center Discovered in Crustaceans
Catherine Offord | Dec 1, 2017
Aggressive little marine predators, mantis shrimps possess a mushroom body that appears identical to the one found in insects.
Captivated by Chromosomes
Captivated by Chromosomes
Anna Azvolinsky | Dec 1, 2017
Peering through a microscope since age 14, Joseph Gall, now 89, still sees wonder at the other end.
New Techniques Detail Embryos’ First Hours and Days
New Techniques Detail Embryos’ First Hours and Days
Jef Akst | Dec 1, 2017
New technologies reveal the dynamic changes in mouse and human embryos during the first week after fertilization.
Infographic: How Embryos Take Control of Their Own Development
Infographic: How Embryos Take Control of Their Own Development
Jef Akst | Nov 30, 2017
The switch from maternal factors involves dynamic reprogramming of the zygotic genome.
Hundreds of Pterosaur Eggs Discovered in China
Hundreds of Pterosaur Eggs Discovered in China
Kerry Grens | Nov 30, 2017
The fossil booty includes some eggs with embryo remains inside, and points to group nests involving long-term parental care.
Image of the Day: Ice Age Horse 
Image of the Day: Ice Age Horse 
The Scientist Staff | Nov 29, 2017
Scientists have identified a new genus of extinct horse that lived in North America during the last ice age. 
Image of the Day: Skate Youngsters 
Image of the Day: Skate Youngsters 
The Scientist Staff | Nov 28, 2017
Scientists study the development of scales in skate embryos.