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Safety panel puts brakes on SpaceX’s plan to put humans in space

17 January 2018

An independent safety panel has recommended that SpaceX’s Falcon 9 rocket should not carry crew until the conditions that led to a 2016 explosion are fully understood

Puddle puzzle

17 January 2018

My cat used to drink from the garden pond and never seemed to suffer any ill effects, and you often see dogs drinking from muddy puddles. So why do humans have to be so careful and only drink clean water?

Future plastic

17 January 2018

What is the ultimate fate for plastic waste in the sea? Will it form sediment that gets buried beneath the seabed and eventually turns into plastic "oil" or "coal"?

A tad late

17 January 2018

I was cleaning my garden pond at the end of October and came across a live tadpole. I had previously suspected that some tadpoles are late undergoing metamorphosis, but this one really missed the boat. Is this a recognised phenomenon, and what is the...

Cubicle count

17 January 2018

How do those running large sporting and cultural events determine how many toilets to provide? Is there an accepted ratio or does it vary, and if so by how much?

You must be yolking

17 January 2018

My wife recently broke three eggs into the frying pan in quick succession, and all were double-yolked. Does this mean there would have been three sets of chicken twins?