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AstronomyTwo exoplanet families redefine what planetary systems can look like
The TRAPPIST-1 and TOI-178 systems, both home to multiple bunched-up planets, have densities and orbits that defy expectations.
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Health & MedicineNearly half a million U.S. children missed out on lead tests in early 2020
A big drop in routine lead tests, which can identify children with elevated blood levels, is another troubling sign of the pandemic’s toll.
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AnimalsA new chameleon species may be the world’s tiniest reptile
The newly described critters, found in the northern forests of Madagascar, may be threatened by deforestation.
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NeuroscienceFamous brain sketches come to life again as embroideries
A needlework project pays tribute to the iconic drawings of Spanish neuroscientist Santiago Ramón y Cajal.