Scientists were able to measure the emission lines of antimatter! And we may have some new clues about how dinosaurs lost their teeth on the way to becoming birds.

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Sources:

Antimatter:
http://www.nature.com/nature/journal/vaap/ncurrent/full/nature21040.html#affil-auth
http://www.sciencealert.com/physicists-have-observed-the-light-spectrum-of-antimatter-for-first-time
http://www.sciencemag.org/news/2016/12/deep-probe-antimatter-puts-einstein-s-special-relativity-test
https://home.cern/about/updates/2016/12/alpha-observes-light-spectrum-antimatter-first-time

Dinosaur:
https://www.eurekalert.org/emb_releases/2016-12/cp-tdl121516.php
http://www.ucmp.berkeley.edu/diapsids/saurischia/ceratosauria.html
http://www.cell.com/current-biology/fulltext/S0960-9822(16)31269-6

Images:
https://commons.wikimedia.org/wiki/File:3D_image_of_Antihydrogen.svg
https://commons.wikimedia.org/wiki/File:Emission_spectrum-H.svg
https://commons.wikimedia.org/wiki/File:Limusaurus_BW.jpg
https://commons.wikimedia.org/wiki/File:Platypus_in_Geelong.jpg
https://commons.wikimedia.org/wiki/File:Limusaurus_inextricabilis_holotype.jpg