Evolutionary Biology1967 articles archived since 1845

Green Fluorescent Protein Makes for Living Lasers

A single mammalian cell expressing a mutant green fluorescent protein is the first living object to be used as a laser

Fragments of Single Meteorite Show Different Chemistry

The Tagish Lake meteorite fragments contain widely varying organic compounds, a sign that chemical reactions were taking place on board the body in space. John Matson reports

Ant Thrills: Seeing Leaf-Cutter Ants through an Artist's Eyes

Fascinated by Fear

Researchers get a rare glimpse at life without fright

A New Look at Obsessive-Compulsive Disorder

Scientists are taking a fresh look at obsessive-compulsive disorder, identifying its likely causes-and hints for new therapies

Autism's Tangled Genetics Full of Rare and Varied Mutations

Several new studies highlight the complexity of autism's genetic roots, revealing why it strikes boys more than girls and offering clues for possible new treatments

Time to Stop Worrying about Invasive Species?

In a commentary ecologists say that the native-versus-non-native issue is becoming a moot question. Karen Hopkin reports

A Nobel Celebration

As Nobel Prize winners gather this month to share their wisdom with younger researchers, Scientific American recalls some of the articles that Nobel laureates have published in our pages...

Nobel Laureates Speak in Scientific American

The Renaissance Man: How to Become a Scientist Over and Over Again [Video]

Excessive Jellyfish Excrement Boosts Bacteria, Stings Fish Populations

Rare Northern White Rhino Dies of Old Age—and Then There Were 7...

All things to nothingness descend, Grow old and die and meet their end... Nor long shall any name resound Beyond the grave, unless 't be foundIn some clerk's book, it is the pen Gives immortality to men ...and rhinosThe Norman poet Master Wace wrote those words (well, all but the last line) in the 12th century, and I have long taken his message to heart...

Human Ancestors in Eurasia Earlier than Thought

Stone fragments found in Georgia suggest might have evolved outside Africa.

Step Right Up and Guess the Star's Age

A database of stars with known ages and spin rates could let astronomers gauge more stars' ages and find the ones old enough to support planets that could have complex life. John Matson reports...

Cool Jobs, from the World Science Festival [Replay]

New MRSA Strain Found in Dairy Cattle and Humans

High-tech genetic tests miss a new strain of drug-resistant staph, which seems to be transferable between people and cows

The Smallest Hitchhikers

Marine microbes may hold the key to the ocean's disappearing plastic

The Evolutionary Errors of X-Men

Please, Magneto, stop blaming evolution for your anger issues

Why This E. Coli Outbreak Has Me Scared

Multiple Mutations May Be Common

By examining the genomes of various multicellular organisms, researchers concluded that about 3 percent of all mutations are actually multiples, in which more than a single letter in the DNA code gets changed at the same time...