A duplicated gene evolved into a switch that determines sex in frogs, revealing how evolution can safely reshape critical ...

Reproduction in the animal world does not always follow a fixed script. In several species, individuals shift their ...

The registrations for NEET 2026 have commenced. In order to appear for the MBBS entrance test, the candidates need to be well aware of the syllabus for the test. The National ...

Early in development, many animals pick a team—male or female—based on their genetics, and, with time, acquire the ...

The female reproductive system includes organs that produce hormones like estrogen and progesterone. Ovaries release one mature egg each month during ovulation. Fallopian tubes transport the egg from ...

Add Yahoo as a preferred source to see more of our stories on Google. In New Zealand, females from an invasive South African mantis species may be luring native males to their deaths. It's an example ...

For generations, they have lived quietly at the edge of ponds, paddy fields, and village lore—small, croaking creatures whose voices rise just before the skies open. To meteorologists, frogs are ...