microscope, evolution, developmental biology
Single-Celled Life Primed to Go Multicellular
Single-Celled Life Primed to Go Multicellular
Bob Grant | Oct 17, 2016
The unicellular ancestor of animals may have harbored some of the molecular tools that its many-celled descendants use to coordinate and direct cell differentiation and function, scientists show.
Bridging a Gap in the Brain
Bridging a Gap in the Brain
Ben Andrew Henry | Oct 12, 2016
Neuroscientists identify how the left and right hemispheres of the mammalian brain connect during development.
To Attract Pollinators, Flower Mimics Wounded Bee
To Attract Pollinators, Flower Mimics Wounded Bee
Ben Andrew Henry | Oct 7, 2016
Umbrella flowers lure in flies by mimicking the alarm signals produced by the flies’ preferred prey.
Microscopy’s Growth Through the Years
Microscopy’s Growth Through the Years
Jenny Rood | Oct 1, 2016
From confocal fluorescence microscopy to super-resolution and live 3-D imaging, microscopes have changed rapidly since 1986.
Image of the Day: All Aboard
Image of the Day: All Aboard
The Scientist Staff | Sep 22, 2016
This trainworm reproduces by detaching sperm- or egg-filled segments, called stolons, when it reaches maturity.
How Plants Evolved Different Ways to Make Caffeine
How Plants Evolved Different Ways to Make Caffeine
Ruth Williams | Sep 20, 2016
Caffeine-producing plants use three different biochemical pathways and two different enzyme families to make the same molecule.
Further Support for Early-Life Allergen Exposure
Further Support for Early-Life Allergen Exposure
Jef Akst | Sep 20, 2016
Egg and peanut consumption during infancy is linked to lower risk of allergy to those foods later in life, according to a meta-analysis.
Study: Zika-Exposed Babies 50 Times More Likely to Be Born with Microcephaly
Study: Zika-Exposed Babies 50 Times More Likely to Be Born with Microcephaly
Jef Akst | Sep 16, 2016
Scientists estimate the risk to fetuses exposed to the virus in utero.
Stingrays Chew Too
Stingrays Chew Too
Ben Andrew Henry | Sep 15, 2016
Researchers observe stingrays moving their jaws to grind up prey, a behavior thought to be restricted to mammals.
Week in Review: September 5–9
Week in Review: September 5–9
Jef Akst | Sep 9, 2016
Environmental magnetite in the human brain; prion structure takes shape; watching E. coli evolve in real time; learning from others’ behavior