evolutionary biology
Hawaiian Spiders on Different Islands Evolved Same Disguise in Parallel
Hawaiian Spiders on Different Islands Evolved Same Disguise in Parallel
Catherine Offord | Mar 8, 2018
In an unusual evolutionary twist, local stick spiders have come up with an almost identical repertoire of color morphs in multiple locations.
Amazonian Fish Genome Challenges Long-Held Assumptions About Asexual Reproduction
Amazonian Fish Genome Challenges Long-Held Assumptions About Asexual Reproduction
Jim Daley | Feb 15, 2018
Poecilia formosa, an all-female fish species, has a surprisingly robust genome. 
Spiders with Long Tails Found in Ancient Amber
Spiders with Long Tails Found in Ancient Amber
Jim Daley | Feb 5, 2018
This discovery closes a 170-million-year gap in the fossil record.
Image of the Day: Bacterial Highways
Image of the Day: Bacterial Highways
The Scientist Staff, The Scientist Staff | Jan 25, 2018
Fungal pathways in cheese rinds affect the composition of bacterial communities residing there.
Image of the Day: See You Later!
Image of the Day: See You Later!
The Scientist Staff, The Scientist Staff | Jan 8, 2018
Developmental biologists take a close look at how alligator embryos grow. 
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.
A Newly Identified Species Represents Its Own Eukaryotic Lineage
A Newly Identified Species Represents Its Own Eukaryotic Lineage
Katarina Zimmer | Nov 20, 2017
The 10-micrometer-long flagellate cell might have a big story to tell about the evolution of eukaryotes.
The Weird Growth Strategy of Earth’s First Trees
The Weird Growth Strategy of Earth’s First Trees
Shawna Williams | Oct 24, 2017
Ancient fossils reveal how woodless trees got so big: by continuously ripping apart their xylem and knitting it back together.
Contributors
Contributors
Aggie Mika | Oct 1, 2017
Meet some of the people featured in the October 2017 issue of The Scientist.
Do Pathogens Gain Virulence as Hosts Become More Resistant?
Do Pathogens Gain Virulence as Hosts Become More Resistant?
Andrew F. Read and Peter J. Kerr | Oct 1, 2017
Emerging infections provide clues about how pathogens might evolve when farm animals are protected from infection.