
The Male Sex Chromosome Isn’t Shrinking
It may be small, but the Y chromosome is here to stay

The Male Sex Chromosome Isn’t Shrinking
It may be small, but the Y chromosome is here to stay

Brainomics: Hacking the Brain (and Autism) with Gene Machines
What if you could trace brain circuits as if you were sequencing genes? A scientist at Cold Spring Harbor Laboratory thinks you can.


Is Your Sense of Humor in Your Genes? Geneticists Crack the Code
// Editor's note: Brain Basics from Scientific American Mind is a series of short video primers on the brain and how we feel, think and act.

Genes Cannot Be Made from Scratch
According to the New York Times, synthetic biology is creating DNA out of thin air. A recent article about synthetic biology and consumer goods describes DNA synthesis as a process where “DNA is created on computers and inserted into organisms.” Computers are pretty cool and really useful in synthetic biology labs, but it takes a [...]

Brazil and Other Big Players Lead in South American Science
Despite myriad problems in many countries, pockets of excellence thrive in Chile, Colombia, Brazil and Argentina

King Penguin's Island-Hopping History Revealed
Receding glaciers at the end of the last ice age led to the flightless birds' move to the Crozet Islands

Comb Jelly Genome Grows More Mysterious
The publication of the draft genetic sequence of a comb jelly reveals a nervous system like no other

Silkworm Sex Factor Is No Ordinary Gene
The Lepidopteran is the first one found to have sex determined by RNA rather than by a protein

First Life with "Alien" DNA Created in Lab
An engineered bacterium is able to copy DNA that contains unnatural genetic code

How a college student can derive the RNA world hypothesis from scratch
One of the greatest breakthroughs in twentieth century biology was the finding that RNA can serve as a catalyst and drive some of life’s essential chemical reactions.

Dinosaur Blood and Bone Cells Seem to Survive Fossilization
Mounting evidence from dinosaur bones shows that, contrary to common belief, organic materials can sometimes survive in fossils for millions of years

Mother's Diet at Time of Conception May Alter Baby's DNA
The long-term consequences of such epigenetic effects in children remain unknown, but the goal is to define the optimal diet for mothers-to-be