A study of fruit flies shows some species are highly susceptible to a wide range of viruses. The paper, published in the journal Evolution Letters, is titled "Positive correlations in ...

These fly species represent a natural experiment because a stimulus that is good for one species is bad for the other, and we can study the differences that make it so.

However, the hind wings aren’t its only striking features. S. charybdis appears to have evolved a unique, three-flapped ...

Next time you’re outside, say a silent thanks for the many unsung insect pollinators helping to keep our ecosystems healthy.

"These fly species represent a natural experiment, because a stimulus that is good for one species is bad for the other, and we can study the differences that make it so.