Cryptic crossword #52: Lizard egg laid in heath (7)
4 March 2021
Challenge your brain by solving New Scientist's weekly crosswords on your mobile, tablet or desktop
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Premium
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With the online tool Etch A Cell, you can help biologists identify deadly diseases and make sense of cell images from advanced microscopes
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The covid-19 pandemic makes plain the consequences of abusing nature
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We may never know how the SARS-CoV-2 virus jumped from another animal to humans, but we know that our mistreatment of nature made it possible – it is time to clean up our act
Coronavirus variant names are too confusing - there is a better way
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The names given to new coronavirus variants and bacteria can be difficult to use or understand. Using a pre-generated list of names would be better, says Mark Pallen
This week’s new questions
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Why can’t humans regrow limbs like an axolotl or a lizard? And do I create gravitational waves when I crash down onto a sofa?
What is the smallest animal with eyes and could it see a molecule? (continued)
3 March 2021
Previous discussion on this topic concluded that it would never be possible to see a molecule without a microscope, but one reader has another idea
