Could those differences also be connected to variations in courtship behavior? In general, male Nasonia are observed to initiate courtship with a sequence of "head-nods" and wing vibrations.

Premenopausal women are more likely than men to develop certain cancers. Pathways activated by the sex hormone responsible could be targeted in cancer therapies.

Curious about type 1 vs. type 2 diabetes? We'll give you the facts on differences, similarities, causes, risk factors, treatment, and more.

Both UVA and UVB rays can damage your skin, just in different ways. One causes premature aging, the other is more prone to causing sunburn, DNA damage, and skin cancer.

Amid the efforts to censor what kids learn in school, we asked experts to share their favorite LGBTQ books to help ensure all kids and families can see and be seen.