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 Meta today announced the launch of Instants, a new image sharing option on the Instagram social network. Instants are ephemeral photos that disappear from Instagram after they're viewed by a user's friends or after a 24-hour period.
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 When you hear about designers biomimicking butterflies, your first thought is probably about creating remote-controlled flying toys or small, artificial flying machines that could be useful in pollination, especially in regions experiencing bee colony collapse. But butterfly mimicry goes far beyond those uses to include scattering light to replace toxic paints or as an anti-fraud
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