
Joshua A. Krisch
Joshua A. Krisch is a freelance science writer. He is particularly interested in biology and biomedical sciences, but he has covered technology, environmental issues, space, mathematics, and health policy, and he is interested in anything that could plausibly be defined as science. Joshua studied biology at Yeshiva University, and later completed graduate work in health sciences at Cornell University and science journalism at New York University.
Latest articles by Joshua A. Krisch

COVID-19 antibodies may fade, but vaccine hopes have not
By Joshua A. Krisch published
We are not yet sure how long COVID-19 immunity lasts, but experts agree that there is little cause for alarm and that a vaccine will likely still be successful.

What is herd immunity?
By Joshua A. Krisch published
Scientists use herd immunity to describe the point at which a population is sufficiently immune to a disease to prevent its circulation.

Is the coronavirus airborne? Evidence is scant, infectious disease experts say
By Joshua A. Krisch published
The most important ways to prevent transmission are still the same, whether SARS-CoV-2 spreads via tiny droplets or larger ones.

Keto diet may cause temporary flu-like symptoms. Here's what to expect.
By Joshua A. Krisch published
The first few weeks of a keto diet may come with a spate of flu-like symptoms, including nausea, fatigue and dizziness, according to a new study.

Scientists may be 'on the cusp' of a universal flu vaccine
By Joshua A. Krisch published
We may be one step closer to a universal flu vaccine, according to a new study.

A 'normal' resting heart rate may not be so normal after all
By Joshua A. Krisch published
A new study finds that resting heart rate can vary between individuals by up to 70 beats per minute, calling into question how physicians use one of the most fundamental vital signs.
Sign up for the Live Science daily newsletter now
Get the world’s most fascinating discoveries delivered straight to your inbox.