Zhang Xianxi and his friend make an automatic sunflower seed cracker, which helps people to become lazy. Source: Pear Video A Chinese university student has won a science award for his tiny tabletop ...
When the skies turn hazy with pollutants and millions gasp for breath, it’s time for a Diwali rethink on how to combine celebration with caution. And some innovators are ready with at least one answer ...
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