Anti-microbial Stewardship - What advice would you give doctors about using antibiotics?

In a relatively small iguana population the allelic frequency is tracked for three generations. webbing is a recessive allele; no webbing is the dominant allele. during one very rainy spring and summer, a flood washes all the iguana without webbed feet out to sea. by the fall, and three generations later, you have the gene pool seen here.

The influenza virus cause the flu, but not other diseases. why?

Why do we perceive objects as retaining their brightness under different lighting levels?