# 40: Science Highlights Daily | 2019-03-15

This is a curated articles about the latest discoveries in science and interesting articles tackling technology and society.

Climate striker Greta Thunberg nominated for Nobel peace prize: Adam Vaughan

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Greta Thunberg, who has inspired schoolchildren around the world to go on strike in protest against climate change, has been nominated for the Nobel peace prize

Sea otter archaeology could tell us about their 2-million-year history: Michael Le Page

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Sea otters and other animals leave evidence of their tool use that can be studied using the same archaeological techniques as for ancient humans

Earth may be partly made of rocks from elsewhere in the galaxy: Leah Crane

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We’ve only seen one interstellar object, a rock called ‘Oumuamua that passed by in 2017, but they may be crucial to speeding up the planet-building process

Mathematician cracks centuries-old problem about the number 33: Donna Lu

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Can you make every number using three cubed numbers? It is a surprisingly difficult question and now we know the answer for 33

Pi Day quiz: How well do you know the mathematical constant?:

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14 March is Pi Day, a global celebration of the constant representing the ratio of a circle's circumference to its diameter. Think you know pi? Try our quiz

Einstein quiz: Can you guess which quotes are really his?:

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To celebrate Einstein's birthday, see if you can tell which quotes are from the great man of physics

AI-powered smartphone cameras are changing the way we see reality: Donna Lu

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Smartphone cameras now use artificial intelligence to completely transform the pictures we take, and it could change the way we see reality

Greta Thunberg: Why I began the climate protests that are going global: Adam Vaughan

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Swedish 16-year-old Greta Thunberg will lead a global school strike this week. Thousands of children are expected to walk-out to protest climate change inaction

It will be 'snowing' nitrogen on Pluto for the next century: Jonathan O'Callaghan

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A 30-year study of Pluto’s nitrogen atmosphere suggests it has reached maximum pressure and will now start to form 'snow'

The best image-recognition AIs are fooled by slightly rotated images: Douglas Heaven

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Driverless cars have a problem – rotations of an object fool the best image recognition AIs, which may mean confusing a tin for a truck on the road