Editor's pick - Several approaches to rescuing the Arctic Ocean (3)
18 September 2019
-
Subject
-
Section
-
Type
-
Topics
-
Author
-
Issue
-
Premium
Why do biscuits go soft and cakes go hard?
18 September 2019
Many readers responded with the answer to this question, and also to relate the famous Jaffa cake legal case on whether the items were cakes or biscuits
This week’s new questions
18 September 2019
Is sitting bad in itself or is it just because it prevents us doing exercise? And a question about energy transfer involving a spring and a bath of acid
Why does a lightning strike sizzle and power light bulbs?
18 September 2019
A reader witnessed how a lightning strike lit up a nearby bulb and made a loud sizzling sound. Other readers explain what’s going on
Meltwater from Greenland could raise sea level an extra 7 centimetres
18 September 2019
Melting and refreezing is turning the absorbent surface snow of Greenland into solid ice, an effect that could contribute to sea level rises
For the record - 21 September 2019
18 September 2019
Special report: How climate change is melting France’s largest glacier
18 September 2019
As the UN prepares its report on the fate of the world’s ice, Adam Vaughan visits the dramatically changing landscape of Mer de Glace near Mont Blanc
AI learns to defy the laws of physics to win at hide-and-seek
17 September 2019
Bots built by artificial intelligence lab OpenAI worked together to find solutions to problems that humans hadn't thought of
Black hole that 'rings' like a bell shows Einstein was right
16 September 2019
Astronomers have looked at the way a black hole 'rings' like a bell to test a prediction of Einstein’s general relativity. Turns out Einstein is still right
One in 16 US women were forced into having sex for the first time
16 September 2019
One in 16 US girls and women were forced into having sex for the first time, either physically or through other kinds of pressure
