picking

Scientists let swordtail fish choose their mates for nine generations; males kept picking larger females while female preferences varied

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Scientists let swordtail fish choose their mates for nine generations; males kept picking larger females while female preferences varied

Green swordtail fish have taken part in a digital dating game to help scientists understand how animals choose their mates. Researchers from the University of Exeter placed individual fish in tanks with screens showing virtual partners. The fish could then spend time near the partner they preferred.Those choices were used to create new virtual fish … Read more

A California retiree began picking up litter alone on daily walks in 2020; six years later, her volunteer group has removed about 750,000 pounds of trash and now organises valley-wide cleanups

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A California retiree began picking up litter alone on daily walks in 2020; six years later, her volunteer group has removed about 750,000 pounds of trash and now organises valley-wide cleanups

Life always has a purpose, and the fun part is that you get to decide it. You can spend a fine morning sleeping through it or volunteering your time for a purpose. For Jill Mather her retirement wasn’t going as planned. After decades of working 80-hour weeks in the restaurant business, she had dreamt of … Read more