Auxin is one of the major five plant hormones, mostly present natively as free or conjugated indole-acetic acid (IAA), a tryptophan derivative. Polar auxin transport is tightly regulated ...

But do HEPA filters remove viruses? If so, can they really stop you from catching a common cold or flu? The evidence is somewhat mixed. While HEPA filters can help reduce the concentration of ...

Nov. 21, 2024 — Scientists have long been trying to tease apart hepatitis A virus, to understand its inner workings and how it functions in the human body. Infectious disease researchers have ...

Viruses are a type of pathogen (germs or tiny microorganism that causes disease) that cause viral infections. Most viral infections, like the common cold, are short-lived and mild. However, there are ...

Plant viruses decimate a range of food and non-food crops worldwide. Empowering farmers and growers to take early action against outbreaks is vital to sustainably control plant health epidemics.

In fact, viruses are the most diverse and numerous disease-causing organisms on Earth, infecting animals, plants, fungi and bacteria - as well as humans. Scientists have estimated that if each ...