culling, evolution
Monkey Hybrids Challenge Assumptions of What a Species Is
Monkey Hybrids Challenge Assumptions of What a Species Is
Jim Daley | May 4, 2018
A study finds two species of guenon monkeys in Tanzania have been mating and producing fertile offspring for generations.
Fungus Repurposed a Bacterial Gene to Sense Gravity with Crystals
Fungus Repurposed a Bacterial Gene to Sense Gravity with Crystals
Viviane Callier | Apr 24, 2018
Rather than getting a gene for its original function, a horizontal gene transfer provides the raw material for evolutionary innovation.
Opinion: “Drug Sanctuaries” Offer Hope to a Post-Antibiotic World
Opinion: “Drug Sanctuaries” Offer Hope to a Post-Antibiotic World
Rees Kassen | Apr 24, 2018
Drug-free environments, such as a designated ward in a hospital, might reduce the strength of selection for resistance.
How Kidney Cancer Evolves
How Kidney Cancer Evolves
Jim Daley | Apr 18, 2018
Renal cell carcinoma tumors have three different evolutionary fates, each associated with specific clinical outcomes.
Fossilized Brains Called into Question, Might be Microbes
Fossilized Brains Called into Question, Might be Microbes
Abby Olena | Apr 11, 2018
Authors of a new study suggest that 520-million-year-old structures, previously identified as the brains of ancient arthropods, are instead preserved microbial biofilms.
Robert Baker, Bat Biologist, Dies
Robert Baker, Bat Biologist, Dies
Diana Kwon | Apr 5, 2018
The Texas Tech University professor also investigated the effects of the Chernobyl disaster on surrounding wildlife.
Image of the Day: Four Eyes
Image of the Day: Four Eyes
The Scientist Staff | Apr 3, 2018
Ancient monitor lizards had an extra set of “eyes” on top of their heads.
Image of the Day: Original Fin
Image of the Day: Original Fin
The Scientist Staff | Apr 2, 2018
Researchers identify the genetics underlying the development of dorsal fins in ancient fish.
Frogs Fight Back From Fungal Attack
Frogs Fight Back From Fungal Attack
Ruth Williams | Mar 29, 2018
A decade after chytridiomycosis killed scores of amphibians in Panama, some species are recovering. New research indicates why.  
Neanderthal Genomes Hint at Species’s Population History
Neanderthal Genomes Hint at Species’s Population History
Ashley Yeager | Mar 22, 2018
DNA analysis gives clues to how the ancient hominin’s population split and how they interacted with modern humans.