![](https://www.popsci.com/wp-content/uploads/2019/03/18/JHCT6BI2YCHT7F32ST57F7EPLQ.jpg?quality=85&w=991)
![](https://www.popsci.com/wp-content/uploads/2019/03/18/JHCT6BI2YCHT7F32ST57F7EPLQ.jpg?quality=85&w=991)
In this week’s roundup, we say goodbye to the space shuttle Discovery, hello to a bright purple crab, “yes please” to laser-cut nori, and “good god get that thing away from me” to an orb-weaver spider. More amazing images from the past week in the gallery below.
Click to launch the gallery.
![](https://www.popsci.com/wp-content/uploads/2019/03/18/BJQ3LMTTQRFDA5U6FU4VPKUZHQ.png?strip=all&quality=85)
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![](https://www.popsci.com/wp-content/uploads/2019/03/18/GSSTKRZ6TIWJPXV5N6KFA6G77I.jpg?strip=all&quality=85)
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