A female typically mates with five males simultaneously, although groups of 10 to 15 are not unusual Female African treefrogs mate with several males at the same time, working together to whip up a larger foam nest that protects hundreds of eggs from drying out.This group nest-building behaviour provides a fresh explanation for why females…

Image Credit: guinnessworldrecords.com Shark is a unique animal that has survived five mass extinctions and swam in our oceans before trees existed. For many of us, the thought of a shark brings up the images of big, sharp teeth with terror. However, for one American marine biologist named ‘Emily Morrison,’ these marine predators are not…

For nearly three decades, the Sun seemed to be winding down. Sunspot counts fell, the solar wind weakened, and by 2008 our star had reached its faintest measured state since satellites began watching it. Astronomers braced for a repeat of history’s great solar lulls, centuries-long stretches when the Sun barely stirred. Then, quietly, the numbers…

Credit: Erik Karits from Pexels Hummingbird hawkmoths may have their own version of being left-handed or right-handed, using one preferred eye and one side of their long feeding tube together to search flowers for nectar.The discovery, made by a team of biologists at the University of Konstanz, shows how creatures with small brains save mental…

Herbivore species dynamics is key to grassland food web stability In 2005, scientists began reshaping a semi-arid grassland in Inner Mongolia by changing its mix of plants. Years later, when researchers checked how the local food chain held together, plant-eating insects emerged as its strongest biological buffer.The long-term study, published on 18 July in the…