zoonotic diseases, evolution
Lizards’ Green Blood Evolved Four Times
Lizards’ Green Blood Evolved Four Times
Kerry Grens | May 16, 2018
The uncommon hue is present in skinks that aren’t closely related, but the advantage of the odd trait remains anyone’s guess.  
Image of the Day: Hold My Brood
Image of the Day: Hold My Brood
The Scientist Staff | May 9, 2018
Cuckoo catfish trick cichlids into caring for their eggs in a strategy known as brood parasitism.
Image of the Day: Bird Braincase
Image of the Day: Bird Braincase
The Scientist Staff | May 4, 2018
Newly discovered fossils shed light on the structure of the feeding apparatus of ancient seabirds.
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.