Menstrual pad could give women insights into their changing fertility

Menstrual pads can non-invasively collect information on a woman’s fertility Shutterstock/Connect world An at-home test built into a menstrual pad could help women track their fertility using their period blood, offering a non-invasive way to monitor changes over time, without the need for repeated blood tests or clinic visits. For many women, their fertility remains…

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Gravitational wave signal proves Einstein was right about relativity

Artist’s impression of a black hole collision that produced GW250114 A. Simonnet/Sonoma State University; LIGO-Virgo-KAGRA Collaboration; University of Rhode Island The loudest collision ever recorded between two black holes has allowed scientists to test Einstein’s theory of general relativity in unprecedented detail, showing that the physicist’s predictions were once again correct. In 2025, an international…

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