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How Do Insects Stay So Healthy? Their Wings Shred Bacteria
Have you ever seen an insect with an upset stomach or running a high fever? Probably not. It turns out that some insects have wings covered in nano-scale spikes that naturally tear bacteria to pieces.
These Sand Castles Will Never Wash Away
Remember all the hard work you put into sand castles as a little kid? Crouching, scooping and shaping. It was tough! And it was always for naught because the stupid ocean would eventually swallow your castles whole and wash it away. What if you could make sand castles live forever, though? Turns out you can.






















