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tag opinion disease medicine evolution microbiology culture

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.
bacteria and DNA molecules on a purple background.
Engineering the Microbiome: CRISPR Leads the Way
Mariella Bodemeier Loayza Careaga, PhD | Mar 15, 2024 | 10+ min read
Scientists have genetically modified isolated microbes for decades. Now, using CRISPR, they intend to target entire microbiomes.
Opinion: The Biological Function of Dreams
Robert Stickgold and Antonio Zadra | Dec 1, 2020 | 3 min read
The scenarios that run through our sleeping brains may help us explore possible solutions to concerns from our waking lives.
A person lying on a bed checks the reading on a digital thermometer. A table with a bowl of oranges and various medications is in the background.
How Mild Is Omicron Really?
Dan Robitzski | Jan 14, 2022 | 9 min read
Early reports that Omicron causes less-severe disease than Delta seem to be borne out, but it’s not yet clear to what extent that’s due to the variant itself versus the populations it’s infecting.
Orange colony of bacteria on red medium
Skin Bacteria May Trigger Lupus: Mouse Study
Natalia Mesa, PhD | Oct 28, 2022 | 3 min read
Staphylococcus aureus appears to be the culprit.
Woman in face shield and blue gown taking cotton swab of patient's mouth while patient sits inside of car
What You Should Know About New Omicron Subvariants
Natalia Mesa, PhD | May 17, 2022 | 6 min read
The presence and spread of new, more-infectious and immune-evading variants show that the coronavirus is not done mutating.
a vial of cobra venom and a bacteri-covered agar plate
Study Questions Sterility of Snake and Spider Venoms
Christie Wilcox, PhD | Jan 31, 2022 | 8 min read
In work that has not yet been peer-reviewed, researchers present evidence that microbes can and do live inside the venom glands of several dangerous species. It remains unclear whether they’re to blame for infections linked to bites.
Metal shelves densely packed with preserved tissue specimens of various sizes, all suspended in glass containers.
Evolution of 1918 Flu Virus Traced from Century-Old Samples
Dan Robitzski | May 10, 2022 | 5 min read
The work reveals that the pandemic flu was likely the direct predecessor of the seasonal H1N1 flu that circulated for decades.
old-fashioned, black and white alarm clock with words "the end"
Editorial: When Will This Pandemic Officially End?
Bob Grant | Mar 11, 2022 | 4 min read
And does it even matter?
a newly hatched mosquito sits on top of water, with its discarded cocoon floating below
In Vitro Malaria Sporozoite Production May Lead to Cheaper Vaccines
Katherine Irving | Jan 20, 2023 | 4 min read
A method for culturing the infectious stage of the Plasmodium lifecycle could increase malaria vaccine production efficiency by tenfold, study authors say.

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