Â鶹´«Ã½

Water wheels

When driving a speedboat, why don’t you have to change gear when you change speed, as you do in a car?

Graham Lundegaard, Gloucester, UK

Topics: Last Word

More from Â鶹´«Ã½

Explore the latest news, articles and features

2WXCRCE Illustration of the components of proteolysis-targeting chimera (PROTAC) and some targeted protein degradation technologies. Seen are the proteolysis-targeting chimera molecule (left), an E3 ligase (green, middle) with a protein of interest (blue, middle) and ubiquitin (orange, middle), and a proteasome (blue/green, right).

Health

An entirely new kind of drug will help us treat the untreatable

Comment

Health

Peptides are the latest wellness trend – but do they work?

Comment

Humans

Mystery hominin left big footprints at ancient lake in Africa

News

Environment

Getting a bit more gas from the North Sea doesn’t matter climate-wise

Comment

Popular articles

Trending Â鶹´«Ã½ articles

Eye implant that restores vision lost to age approved for use

Your body changes as you age and so should your diet – here’s how 

Getting a bit more gas from the North Sea doesn’t matter climate-wise

Peptides are the latest wellness trend – but do they work?

Clothes made from living fungi can clean and repair themselves

How ultra-processed foods may damage your long-term brain health

AI’s solution to 87-year-old riddle takes mathematicians by surprise

This El Niño will be the hottest by a huge margin

Mystery hominin left big footprints at ancient lake in Africa

Phone breathalyser can detect when your body switches to burning fat