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tag carbon dating evolution genetics genomics

Different colored cartoon viruses entering holes in a cartoon of a human brain.
A Journey Into the Brain
Danielle Gerhard, PhD | Mar 22, 2024 | 10+ min read
With the help of directed evolution, scientists inch closer to developing viral vectors that can cross the human blood-brain barrier to deliver gene therapy.
A fishing cat with a fish in its mouth
Genome Spotlight: Fishing cat (Prionailurus viverrinus)
Christie Wilcox, PhD | Dec 22, 2022 | 5 min read
A high-quality reference genome for this vulnerable feline may help scientists understand why they’re so prone to transitional cell carcinoma in captivity.
A desert locust (Schistocerca gregaria) on sand
Genome Spotlight: Desert Locust (Schistocerca gregaria)
Christie Wilcox, PhD | Jul 21, 2022 | 4 min read
A chromosome-scale genome sequence for this infamous agricultural pest could help mitigate its plagues.
Composite image of earliest humans and wooly mammoths
New Evidence Complicates the Story of the Peopling of the Americas
Emma Yasinski | May 2, 2022 | 10+ min read
New techniques have shown that people reached the New World far earlier than the long-standing estimate of 13,000 years ago, but scientists still debate exactly when humans arrived on the continent—and how.
Genome Digest
Karen Zusi | Nov 19, 2015 | 4 min read
What researchers are learning as they sequence, map, and decode species’ genomes
The Genetics of Society
Claire Asher and Seirian Sumner | Jan 1, 2015 | 10 min read
Researchers aim to unravel the molecular mechanisms by which a single genotype gives rise to diverse castes in eusocial organisms.
Short Shrift to Evolution?
Barry Palevitz and Ricki Lewis | Feb 1, 1999 | 7 min read
Editor's Note: In this essay, the authors--both scientists and writers--discuss recent news stories on evolution and express their opinions on how the stories were handled by the mainstream press. Evolution took center stage at the National Association of Biology Teachers (NABT) annual meeting in Reno, Nev., Nov. 3-8, 1998. If the teachers needed a theme, evolution was a logical choice--after all, it underlies and unifies contemporary biology. But NABT had other fish to fry. Despite a spate of c
Epigenetics: Genome, Meet Your Environment
Leslie Pray | Jul 4, 2004 | 10+ min read
©Mehau Kulyk/Photo Researchers, IncToward the end of World War II, a German-imposed food embargo in western Holland – a densely populated area already suffering from scarce food supplies, ruined agricultural lands, and the onset of an unusually harsh winter – led to the death by starvation of some 30,000 people. Detailed birth records collected during that so-called Dutch Hunger Winter have provided scientists with useful data for analyzing the long-term health effects of prenat
Deviations From The Norm: Systems For Mutation Detection Reveal Hidden Potentials
Kailash Gupta | Jul 18, 1999 | 10+ min read
Date: July 19, 1999Mutation Detection Systems and Methods Affymetrix's p53 chip Researchers leading the Human Genome Project (HGP) originally envisioned completion of the entire genome sequence (approximately 3 billion base pairs) by the year 2005. Recently the arena of human genome sequencing has seen a lot of heat generated by the entry of both commercial entrepreneurs and public consortia. Celera, a company formed by highly skilled and competent commercial organizations (TIGR and Perkin-Elm
Iron Seeding Just Doesn't Pay
Sam Jaffe | Jul 4, 2004 | 6 min read
BRINGING ON THE NEXT ICE AGE?Dee Breger, Drexel UniversityAssumptions that tiny diatoms such as the ones shown above could fix carbon from the air and sink it to the bottom of the ocean have been hard to prove.The US Department of Energy has taken an interest in carbon sequestration, but a grand scheme to induce thick blooms of carbon-fixing algae has yet to bear fruit in early studies. The DOE directs a large share of its global warming budget to carbon-sequestration research, drawing on biolog

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