Honey bees are dying — but man-made hives could save them

Honey bees are under extreme pressure. Beekeepers in the US have been losing and then replacing an average of 40 percent of their honey bee colonies every year since 2010, a rate that is probably unsustainable and would be unacceptable in other kinds of husbandry. The biggest contributor to this decline is viruses spread by a parasite, Varroa Destructor. But this isn’t a natural situation. The parasite is spread by beekeeping practices, including keeping the…

"Honey bees are dying — but man-made hives could save them"

Army photogrammetry technique makes 3D aerial maps in minutes

Aerial imagery is a common asset in military matters, but 3D maps can be difficult to collect on short notice without specialized equipment. This new photogrammetry technique from the Army Corps of Engineers, however, can make accurate 3D maps from ordinary aerial footage in just minutes. Photogrammetry is the process of comparing multiple photos of the same location or item to produce a 3D map of it. It’s a well-known method but in some cases…

"Army photogrammetry technique makes 3D aerial maps in minutes"

TikTok begins testing links in bios

Illustration by Alex Castro / The Verge TikTok has more than a billion users on its platform, and it appears the company is now experimenting with ways for it and its users to monetize their audiences on the app. Recently, TikTok has begun a limited test of a feature that lets users add links to their bios and posts, which can direct audiences to products or services. Judging by a video of the service in…

"TikTok begins testing links in bios"