Daphnia, also known as the water flea ... The atlas includes female and male adult D. magna cut in three anatomical planes, enabling visual recognition of specific organs and developmental ...

President Donald Trump touted the executive order he signed to keep biological males out of women’s sports earlier this week in his interview on Fox News Channel on Sunday. Trump was asked in ...

With bloated bellies and hairy legs, female flies try to look bigger to get food from courting mates. But male flies, in turn, have sharpened their eyesight to call their bluff. A new study by ...

With bloated bellies and hairy legs, female flies try to look bigger to get food from courting mates. But male flies, in turn, have sharpened their eyesight to call their bluff. A new study by ...

We were also interested in learning how the public feels about same-gender organized social groups or places where men can gather with other men and women with other women. Majorities of U.S. adults ...

But there is more: a new, fascinating aspect of this ecosystem is that it differs between females and males, possibly influencing immunity in sex-specific ways. Now, consider the connections of ...

WASHINGTON — President Donald Trump on his first day in office Monday issued an order defining a person’s sex as “male or female” — requiring government agencies to use the “immutable ...

A bill to prevent biological males from competing in women’s and girls’ sports passed the United States House of Representatives in a mostly partisan vote Tuesday afternoon. The Protection ...

told Alabama lawmakers this week as they debated legislation that would define her and other transgender women in Alabama as men based on the sex they were assigned at birth. The Alabama ...

During his inaugural speech, Trump said: “there are only two genders — male and female.” Trump’s edict requires government agencies to use the “immutable” designation on forms and IDs ...

For the first time, cancer rates in females ages 50 to 64 have surpassed those in males, according to the report. The reason for these shifts is not clear, but doctors pointed to lack of physical ...