BBC News – Deep sea 'mushroom' may be new branch of life.

Concrete 3D Printer Used To Build Castle…in Minnesota – Geek.

Japanese researchers develop 30-minute Ebola test | The Japan Times.

Karen Peterson: Police alone shouldn’t decide when it’s OK to snoop into phone records | Karen Peterson | The News Tribune.

Judge mulls contempt charges in Microsoft’s e-mail privacy fight with US | Ars Technica.

The China-U.S. Hypersonic Arms Race Is Having a Little Trouble – Defense One.

Designed Metasurface Is A Thin, Near Perfect Acoustic Absorber | Neomatica.