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Social, telepresence robots revealed by scientists Posted: 29 Dec 2015 04:07 AM PST Say hello to Nadine, a "receptionist" at Nanyang Technological University in Singapore. She is friendly, and will greet you back. Next time you meet her, she will remember your name and your previous conversation with her. She looks almost like a human being, with soft skin and flowing brunette hair. She smiles when greeting you, looks at you in the eye when talking, and can also shake hands with you. And she is a humanoid. |
The power of touch: Sex-changing snails switch sooner when together Posted: 23 Dec 2015 10:05 AM PST Many animals change sex at some point in their lives, often after reaching a certain size. Snails called slipper limpets begin life as males, and become female as they grow. A new study shows that when two males are kept together and can touch one another, the larger one changes to female sooner, and the smaller one later. Contact, rather than chemicals released into the water, is necessary for the effect. |
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