Liana Finck cartoon
This week's cartoon - 22 June 2019
Regulars
Life
This South American potoo bird can camouflage itself as a branch
Regulars
Technology
How to use a BBC micro:bit to make a sound-activated mirror ball
Regulars
Feedback: Can the US resist the might of the metric system?
Regulars
Why don鈥檛 birds eyeballs freeze in the extreme cold?
Regulars
What is dust, and is it harmful to human health?
Regulars
This week鈥檚 new questions
Regulars
Humans
Ruth Mace on human evolution and surviving the apocalypse with yaks
Regulars
Liana Finck cartoon
Regulars
Technology
How to make a theremin with a light sensor
Hannah Joshua shows how to make a theremin with an easy microbit program and light sensor
Regulars
What鈥檚 the best swimming stroke in terms of calories burned?
Regulars
Why are animals stripy and why can’t humans have patterned hair?
Regulars
This week’s new questions
Regulars
Environment
Carbon farming scientist David Reay on repaying his emissions debt
Regulars