So the Russians claim to be the first to plant a flag directly under the North Pole. Didn't Amundsen do that for Norway when he was the first to reach the South Pole in 1911?
Lee Pike, Cardiff, UK
Re the living fossil found off coast of Indonesia - so how come it was dead?
Rob Falconer, Llandough, Wales
I love being human sometimes. The living fossil story can be summarised as "Oh yeah, we, er, caught this really old big fish, some people think it's a living fossil and that and it's super rare... so we killed it".
Andrew Burnip, Newcastle upon Tyne
Re "Orangutans use 'charades' to talk" - "when the keeper pretended to fail to understand the original gesture and gave the wrong food, the orangutans stopped using the gestures they had used before and started using some different gestures". I bet they did. I bet they weren't complimentary either.
Stella Alvarez, The Zoo
So according to the "Turn back the clock article, doing something fun slows time down and doing something routine and boring speeds it up? Does that seem backwards to anyone else?
The baby monkey story has surely provided a brilliant contender for quotation of the year: "I got out a banana and kept a low profile." A lesson for us all.
Janey, Exiled Geordie, Edinburgh
If anything deserves to be on quote for the day, it is: "You can't launch with a cabin leak," said Nasa spokesman Kyle Herring. I can barely comprehend the intelligence that pours out of NASA, I just look on in awe.
Jonathan, Bury St Edmunds, UK
A murder of crows always my favourite. It'll be in a pub quiz this week I tells yer.
My favourite collective noun - a resilience of goldfish.
Sophie, Belfast, Ireland
In the debate on collective nouns, what is the correct term for a group of hermits? An impossible of hermits? A folly of hermits? Does anyone have any better suggestions?
James Russell, Birmingham