We hear a lot about soldier ants. But what about noncombatants?

Died at sea from backing hidden word? (7)

Please rate this porridge, on a scale of 1-5 stirs.

🥄🥄🥄🥄🥄

I couldn't think of a word meaning the same as kayak. Canoe?

It’s hard for singers of classical music to sing so listeners can pick up the words.

They are usually expected to sing in several languages not their first, and even native speakers of the language the performance is in often struggle to understand the singer.

Following on from the Berkeley research described a post or so back, maybe subtitles ahead of each phrase would help people pick out the words.

Paradox: Two dogs.

Orthodoxy: Look at all those dogs!

Is graffiti doomed? The writing’s on the wall.

I read today open-minded people have a different perception of reality. Oh no we don't.

Michael Penn put this up on his YouTube channel earlier today, and it is indeed an elegant little problem. Here it is

Michael Penn solves this using congruent triangles, the angle sum of a triangle (180 °) and angles on a straight line (180 °). α is always 60 °, whatever the length of AD and CE. It's not that obvious and I was quite surprised.

However thinking about it later, I saw we can solve the problem using symmetry and the solution is super-nice. Here's how - just add a third line.

The authorities are after a couple of bad guys. Apparently they are Juan, Ted.

This fearsome creature is a robot wolf.

The city of Takikawa in Hokkaido has been having problems with bears venturing into the city after food.

So the city has invested in robot wolves with motion detectors. The robot wolves have bared teeth, flashing red eyes, and a repetoire of 60+ noises that bears find frightening. A bit like a mechanical scarecrow, but for bears.

You can see a robot bear in action here

https://www.theguardian.com/world/2020/nov/11/japanese-town-deploys-monster-wolf-robots-to-deter-bears