Earth formed roughly 4.5 billion years ago, yet the first land plants appeared only about 550 million years ago. In that vast span of botanical time, certain species developed traits that allow them ...

This video explains the stages of mitosis, contrasts them with meiosis and the creation of haploid gametes, and concludes by ...

Yes, asexual people use sex toys too. It’s a common misconception that someone who is asexual - or “ace” as they’ve nicknamed themselves -- would have no use for gadgets that are, well, sexual. But ...

Romantic relationships improve psychological well-being for most people—but do they for everyone? It has been shown in many scientific studies that high-quality romantic relationships with a loving ...

Asexuality is a broad term to describe a lack of sexual attraction to others, or a low interest in sexual activity. Some people consider asexuality to be their sexual orientation. Others prefer to ...

When an Amazon molly says she doesn't need a man, believe her. Every single one of these small fish, found in freshwater streams in Mexico and Southern Texas, is female, and reproduces exclusively ...

In Telford's Exotic Zoo, life found a way. A casque-headed iguana has given birth to eight babies at the Shropshire wildlife park – without any contact with a male, via a phenomenon called ...

Scientists are getting closer to solving the mystery of parthenogenesis, or virgin birth, in the flowerpot snake - a tiny, sightless reptile whose entire species is female. In a study published last ...

Growing up, Jordan Busits never understood the appeal of romantic comedies like her friends did. When she was in middle school and a classmate asked to be her boyfriend, she recoiled and felt a ...

It’s estimated that about 1 percent of the world’s population identifies as asexual, which according to The Trevor Project, are people who “experience little or no sexual attraction to others. Asexual ...

Add Yahoo as a preferred source to see more of our stories on Google. About 10 years ago, Keith Huntington Derrick remembers watching an episode of "House," where a character was diagnosed and treated ...

From microbes in the human gut to symbiotic algae in coral reefs, research in recent decades has increasingly revealed the pivotal roles that microorganisms (or microbial species) play in shaping the ...