Showing Archived Posts

Ancient Toolmaking Roused Humanity’s Need for Language

Posted January 24th, 2015 at 2:35 pm (UTC+0)
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A couple of million years ago our ancient human ancestors created the world’s first tools when they broke some rocks into sharp shards so that they could slice apart and butcher game such as gazelles or zebras. These early implements, called Oldowan tools, are the world’s oldest-known cutting devices. The term “Oldowan” is taken from […]

Dogs Communicate with Wag of a Tail

Posted November 1st, 2013 at 8:06 pm (UTC+0)
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The direction in which a dog wags its tail can communicate its emotional state to other canines, according to a new study published in Current Biology. The Italian research team behind the study says dogs recognize, and respond accordingly, whether other canines wag their tails to the right or to the left. The reason dogs […]

Alan Alda’s Challenge to Scientists

Posted January 4th, 2013 at 11:47 pm (UTC+0)
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Alan Alda, the internationally famous TV/movie actor, director and writer, is looking for answers to a question we’ve all pondered at some point in our lives – what is time?  So he recently issued a challenge to the world’s scientists to come up with a good explanation. While the question alone might stump even the […]

Insects Use Plants as Telephones to Communicate, Leave ‘Voicemail’

Posted June 13th, 2012 at 5:00 pm (UTC+0)
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Like humans, insects communicate with each other by “telephone” and can even leave messages, according to Dutch researchers. No special electronics are needed because the bugs literally use green technology – plants – to communicate. According to the new study from the Netherlands Institute of Ecology and Wageningen University, insects which live in and above […]