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1. Swarm of nanorobots can remove tiny plastic fragments from water
   In just 2 hours, small metal robots can capture most nanoscopic plastic particles from a sample of water
2. Wasps use face-recognition brain cells to identify each other
   The neurons in wasp brains that help them recognise hive mates are similar to those in the brains of primates, including humans
3. Supermassive black holes may provide a nursery for mini ones to grow
   The supermassive black holes at the centres of galaxies may capture smaller black holes. Not only does this prove a place for the small black holes to grow, it also makes the supermassive ones look even bigger and brighter
4. Birthplace of red asteroid Kamo‘oalewa pinned to specific moon crater
   The redness of asteroid 469219 Kamo‘oalewa marks it out as probably originating on the moon, and now we might know the exact impact crater it was launched from
5. Rat neuron injection lets mice that can’t smell sniff out cookies
   Mice that had been genetically modified to lack the ability to smell could sniff out hidden cookies when sensory neurons from rats were grown in their brains
6. Modern rose hybrids have a worrying lack of genetic diversity
   Intensive breeding since the 19th century has created thousands of varieties of rose, but a reduction in genetic diversity could leave them vulnerable to diseases and climate change
7. Brain activity seems to be more complex in baby girls than boys
   When fetuses and babies were exposed to sound stimuli, their brains' subsequent activity appeared to be more complicated in the females than the males
8. India’s healthcare system falls short despite Modi’s improvements
   More than 1.4 billion people live in India, giving its healthcare system a major role in planetary well-being. In the past 10 years, prime minister Narendra Modi has worked to improve India's healthcare, but there is still much work to be done
9. Can India build a world-leading computer chip industry from scratch?
   India currently has a fairly small chip-manufacturing industry, but prime minister Narendra Modi wants the country to become a dominant player in the sector in just a few years
10. Japan’s SLIM moon lander has shockingly survived a third lunar night
    Almost all moon landers break down during the extraordinary cold of lunar night, but Japan’s Smart Lander for Investigating Moon has astonishingly survived three nights