How to Activate New Airtel 5G SIM: A Step-by-Step Guide

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COVID-19 origins: Should we pay more attention to the lab leak theory and formally investigate it?

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A year and a half into the pandemic, we still do not know exactly where the SARS-CoV-2 virus, which causes Covid-19, came from. The prevailing view so far has been that the virus “spilled over” from bats into humans. But there are increasing calls to investigate the possibility that it emerged from a lab in Wuhan, China, where Covid first appeared at the end of 2019. So what do we know for sure, and what do we need still to find out? We know the sequence of the SARS-CoV-2 virus is close to that of bat coronaviruses . Several decades ago its “ancestor” was circulating in bat populations in southern Asia. But there are still many unanswered questions: we don’t know how the virus arrived in Wuhan, how its sequence evolved to allow human infection, and under what conditions it infected the first people who crossed its path. And for each of these stages, we don’t know whether there was a human contribution (direct or indirect). Zoonotic transmission pathways, in other words the pas...
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Menstrual cups are cheaper, more sustainable than pads and tampons for women

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Every year in America, women spend at least US$2.8 billion on sanitary pads and tampons that can take hundreds of years to decompose . Is there a more economical and environmentally friendly way? To find out, we asked Susan Powers , a professor of sustainable environmental systems at Clarkson University about her work comparing the environmental impact of tampons, sanitary pads and menstrual cups. What is a menstrual cup? A menstrual cup is a type of reusable feminine hygiene product. It’s a small, flexible bell-shaped cup made of rubber or silicone that a woman inserts into her vagina to catch and collect menstrual fluid. It can be used for up to 12 hours, after which it is removed to dispose of the fluid and cleaned. The cup is rinsed with hot water and soap between each insertion and sterilized in boiling water at least once per period. A cup can last up to 10 years . Although menstrual cups have been around for decades, they historically have been less popular than pads or ta...
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Language of space exploration rhetoric can affect public perception of space activities

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By Joelle Renstrom Last month, NASA’s Perseverance rover landed on the surface of Mars to much fanfare, just days after probes from the UAE and China entered orbit around the Red Planet. The surge in Martian traffic symbolizes major advancements in space exploration. It also presents an opportune moment to step back and consider not only what humans do in space, but how we do it — including the words we use to describe human activities in space. The conversation around the language of space exploration has already begun. NASA, for instance, has been rooting out the gendered language that has plagued America’s space program for decades. Instead of using “ manned ” to describe human space missions, it has shifted to using gender-neutral terms like “piloted” or “crewed.” But our scrutiny of language shouldn’t stop there. Other words and phrases, particularly those that invoke capitalism or colonialism, should receive the same treatment. To some extent, language influences the way w...
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