<ul><li>Earth witnessed a total lunar eclipse, creating a stunning 'blood moon' effect due to Rayleigh scattering.</li><li>The next total lunar eclipse is expected on Sept. 7-8, with the best views in Asia.</li><li>A mummy initially believed to be 'pregnant' and have cancer was found to be a woman without clear evidence of cancer.</li><li>Researchers debunked the theory of the mummy being pregnant and experiencing nasopharyngeal cancer.</li><li>Pi, an irrational number, plays a crucial role in various fields of mathematics beyond just circles.</li><li>A study sheds light on how metformin lowers blood sugar levels by expelling glucose into the intestines.</li><li>SPHEREx telescope, launched by NASA, will provide unprecedented data on galaxies and cosmology.</li><li>SPHEREx will scan the night sky using infrared sensors to understand galaxy evolution and water origins.</li><li>NASA's SPHEREx telescope mission aims to answer fundamental questions about the universe.</li><li>For longer reads, explore pieces on dismantling USAID, dinosaur facts, and measles outbreaks in Texarkana.</li></ul>

Science news this week: Blood moon and a mysterious mummy

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