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Finding DNA Tags in AAV Stacks
Mariella Bodemeier Loayza Careaga, PhD | Mar 7, 2024 | 8 min read
Ten years ago, scientists put DNA barcodes in AAV vectors, creating an approach that simplified, expedited, and streamlined AAV screening. 
A close up of a tick held in a pair of forceps, with Kevin Esvelt’s face out of focus in the background.
CRISPR Gene Drives and the Future of Evolution
Hannah Thomasy, PhD | Mar 15, 2024 | 10+ min read
Genetic engineering pioneer Kevin Esvelt’s work highlights biotechnology’s immense potential for good—but also for catastrophe.
Complete model of fly brain neuron connections
How Larval Fruit Fly Brains Convert Sensory Signals to Movement
Laura Dattaro, Spectrum | Mar 10, 2023 | 4 min read
A wiring map diagrams more than half a million neuronal connections in the first complete connectome of Drosophila and holds clues about which brain architectures best support learning.
Eytan Stibbe wears a headset and a blue shirt while surrounded by computers and other equipment on the International Space Station.
Whenever, Wherever: Taking DNA Amplification Outside the Lab
Hannah Thomasy, PhD | Dec 4, 2023 | 10 min read
Recombinase polymerase amplification lets researchers rapidly replicate DNA in the clinic, in the field, or even in the International Space Station.
ID tags handicap penguins
John Whitfield(ja_whitfield@hotmail.com) | May 18, 2004 | 3 min read
Study finds that birds with flipper bands are late to breed and are less successful at it
Opinion: Torments of tagging
Timothy Bean | Feb 2, 2011 | 3 min read
Is marking the wild animals we study skewing our results? And if so, what can we do about it?
a fuzzy black and tan beetle chews on the bark of a pine tree sapling, whose needles can be seen in the background
Pine Trees’ Fragrances Help Neighbors Battle Bark Beetles
Katherine Irving | Sep 30, 2022 | 5 min read
Polluted air impedes the trees’ ability to read one another’s signals, a study finds.
Vicu&ntilde;as <em>(Lama vicugna)</em> run across the plains in San Guillermo National Park, Argentina.
How Mange Remade an Ecosystem
Shawna Williams | Jul 5, 2022 | 5 min read
A study traces the effects of a mite outbreak from the earth to the heavens.
teabag with green tag on a white background
Spilling the Tea: Insect DNA Shows Up in World’s Top Beverage
Shawna Williams | Jun 14, 2022 | 5 min read
The Scientist speaks with Trier University’s Henrik Krehenwinkel, whose group recently detected traces of hundreds of arthropod species from a sample of dried plants—in this case, the contents of a tea bag.
Q&A: Randomness reigns in ecology
Jef Akst | May 26, 2010 | 4 min read
The environment is not the only key factor in determining which species will populate a given habitat -- random, stochastic processes may also play a significant role, according to a study published online today (May 27) on the Science Express website. Study author linkurl:Jonathan Chase,;http://www.biology.wustl.edu/faculty/chase/opening_page.htm a community ecologist at Washington University in Saint Louis, talked with The Scientist about why randomness is so important to species composition,

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