Vincent and Dickson review the biology an... Read More
A brief introduction to how scientists prove that an infectious agent is a cause of disease. It discusses Koch's postulates using the imaginary disease chocolatitis and the imaginary organism Chocolobacter as an example. Read More
Borrelia burgdorferi is a spirochete, a class of long, slender bacteria that typically take on a coiled shape. Infection with this bacterium causes Lyme disease.
Credit: Tina Carvalho, University of Hawaii at Manoa, NIGMS photo gallery
Hello Professors Racaniello and Despommier,
In TWIP #33, Dr Despommier said that certain parasites do not need receptors to enter cells, while Dr Racaniello then said that all viruses require a receptor for entry. I might be wro... Read More
This sculpture made of purple and clear glass beads depicts bacteriophage Phi174, a virus that infects bacteria. It rests on a surface that portrays an adaptive landscape, a conceptual visualization. The ridges represent the gene combinations associated with the greatest fitness levels of the vi... Read More
Researchers are working on developing microbial fuel cells (MFC) that can generate electricity while accomplishing wastewater treatment. Read More
A microbiologist says hospital managers should take note of what Florence Nightingale said a century and a half ago - that open windows were the hallmark of a healthy ward.
Jack Gilbert, who works at Argonne National Laboratory, Illinois, in the US, puts forward the view that natur... Read More
John D. Kraemer, JD, MPH, assistant professor of health systems administration at Georgetown University School of Nursing & Health Studies, and Lawrence O. Gostin, the Linda D. and Timothy J. O’Neill Professor of Global Health Law and faculty director of the O'Neill Institute for National and Gl... Read More
I've been listening to the evolution of TWIM, week by week, and want to say that I am delighted by the direction it has gone. I listened to #11 yesterday and found the format especially informative and interesting. By format, I ... Read More
A recent test of packaged raw chicken products bought at grocery stores across the country found that roughly half of them were contaminated with the bacteria E. coli.
E. coli, which the study said was an indicator of fecal contamination, was found in 48 percent of 120 chicken products bought... Read More
That's thanks to software created by a collaboration between two Brazilian National Institutes of Science and Technology, led by Wagner Meira, a computer scientist at the Federal University of Minus Gerais. The team has used it to identify a high correlation between the time and place where peop... Read More
Influenza A virus reservoirs in animals have provided novel genetic elements leading to the emergence of global pandemics in humans. Most influenza A viruses circulate in waterfowl, but those that infect mammalian hosts are thought to pose the greatest risk for zoonotic spread to humans and the ... Read More
Imagine you are a tiny caddisfly pupa. When you emerge from your pupal case, it is dark, but not pitch black, and high above you, you see the faint glow of a starry sky. On new wings, you rise. Cue angelic voices.
Suddenly, you struggle against an invisible barrier. Cue scary cello. You begin... Read More