The hardened residue scraped off your teeth at the dentist is called your dental calculus, and your dental calculus is the only part of your body that actually fossilizes while you’re alive! And scientists have figured out how to study &...

Some of science's most interesting discoveries happened totally on accident! From insects to infections, and polymers to pacemakers, we've accidentally discovered some pretty cool stuff. Watch this new episode of SciShow, hosted by...

Scientists are turning to unusual places to find new compounds to fight off drug-resistant “superbugs.” The discovery came from milking ferocious mammals!

From insects to infections, and polymers to pacemakers, scientists have discovered some very cool things entirely by accident, thanks to some careful observation and curiosity.

Cha
pters
ALEXAND
ER FLEMI
NG
...

There’s nothing fun about getting a cavity! It can feel like there’s not much you can do to prevent them, but researchers are working on several ways to tackle their main cause so we can create a cavity-free world!

Some species of bacteria have a wicked survival strategy: killing members of their own species or a closely-related one. There’s a lot we don’t know about it, but it's possible that someday we could potentially harness that knowledge to...

Our understanding of DNA as the hereditary material emerged gradually, challenging the early belief that proteins, not DNA, were responsible for heredity. A pivotal moment came in 1928 when Frederick Griffith discovered bacterial...

Microbiologists at Bradford University are making strides in developing a potential vaccine to protect newborn babies from deadly bacterial infections like pneumonia and meningitis. By focusing on lipoproteins found on Group B...

Microbiology: Catalase Test

Microbiology: Hemolysis/Blood Agar

We've learned about a few techniques in biotechnology already, but the CRISPR-Cas9 system is one of the most exciting ones. Inspired by bacterial immune response to viruses, this site-specific gene editing technique won the Nobel prize...

Lesson on sulfonamide antibiotics like Trimethoprim-Sulfamethoxazole (Septra), what bacteria sulfonamides target, the mechanism of action of sulfonamides, and adverse effects of sulfonamides. Trimethoprim-sulfamethoxazole (Septra) is a...

Dr. Ryan Sommers, the senior regional medical officer of health at Nova Scotia Health, says watching for symptoms, knowing when to consult a medical professional and keeping up-to-date with vaccinations are important as the province sees...

Carolle de Ste-Croix’s daughter Madeleine was just five years old when she had Strep A. Now she says more guidance is needed from public health.

An Ontario mom is warning other parents about Group A strep after the death of her five-year-old daughter. The bacteria causes milder illnesses like strep throat or scarlet fever but can become life-threatening when the infection enters...

The funeral of five-year-old Stella-Lily McCorkindale takes place in Bromley Street, Belfast after a case of Strep A was reported at the primary school she attended.

UK Flood Water Has High Contamination Levels

1. Wide of Hong Kong Department of Health news conference

2. Various of government offi
cials
3. Reporter ta
king notes
4. SOUNDBITE: (English) Dr Lam Ping-yan, Director of Healt
h Department:
"They...