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tag reproductive aging evolution microbiology

bacteria inside a biofilm
How Bacterial Communities Divvy up Duties
Holly Barker, PhD | Jun 1, 2023 | 10+ min read
Biofilms are home to millions of microbes, but disrupting their interactions could produce more effective antibiotics.
a trio of infant mice, two brown mice on the ends and one white mouse in the middle
Mice Pass Epigenetic Tweaks to Pups
Katherine Irving | Feb 17, 2023 | 5 min read
An engineered methylation pattern persisted for four generations of mice, demonstrating transgenerational epigenetic inheritance can occur in mammals.
Of Cells and Limits
Anna Azvolinsky | Mar 1, 2015 | 9 min read
Leonard Hayflick has been unafraid to speak his mind, whether it is to upend a well-entrenched dogma or to challenge the federal government. At 86, he’s nowhere near retirement.
Researchers in George Church&rsquo;s lab modified wild type ADK proteins (left) in <em >E.coli</em>, furnishing them with an nonstandard amino acid (nsAA) meant to biocontain the resulting bacterial strain.
A Pioneer of The Multiplex Frontier
Rashmi Shivni, Drug Discovery News | May 20, 2023 | 10 min read
George Church is at it again, this time using multiplex gene editing to create virus-proof cells, improve organ transplant success, and protect elephants.
A Bacterial Messenger Molecule Extends Healthspan
Sandhya Sekar | Aug 27, 2017 | 3 min read
E. coli that make indoles protect older worms, flies, and mice from frailty. 
mixing blue and pink smoke, symbolic of the muddled boundaries between sexes
Opinion: Biological Science Rejects the Sex Binary, and That’s Good for Humanity
Agustín Fuentes | May 12, 2022 | 5 min read
Evidence from various sciences reveals that there are diverse ways of being male, female, or both. An anthropologist argues that embracing these truths will help humans flourish.
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.
The Gates of Immortality
Yves Barral | Oct 1, 2010 | 10+ min read
By Yves Barral The Gates of Immortality Did biology evolve a way to protect offspring from the ravages of aging by creating a physical barrier that separates the parent from its young? Dr. Stanley Flegler, Visuals Unlimited he idea that every organism must age was a concept that surprised many biologists. For a long time, aging was thought to be a process occurring only in multicellular organisms. The reason for this arguably odd presumption was that we knew so
People Briefs
The Scientist Staff | Apr 15, 1990 | 5 min read
Don L. Anderson, professor of geophysics at the California Institute of Technology, has been named the first Eleanor and John R. McMillan Professor of Geophysics. The professorship in Caltech's Division of Geological and Planetary Sciences was endowed by Caltech alumnus John R. McMillan to honor the memory of his wife, Eleanor McMillan, who died in 1988. Anderson's research has focused on the study of planetary interiors, seismology, the structure of the earth, and the origin and evolution of o
Peter Tyack: Marine Mammal Communications
Anna Azvolinsky | Jul 1, 2016 | 9 min read
The University of St. Andrews behavioral ecologist studies the social structures and behaviors of whales and dolphins, recording and analyzing their acoustic communications.

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