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It's been a little over a year since the SARS-CoV-2 coronavirus began tearing across Europe, prompting almost all of the countries there to enter strict lockdowns with the hope of saving lives.

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For people living in higher latitudes, distinct seasons are a fact of life. A verdant spring gives way to a hot and humid summer, which simmers to a picturesque fall filled with painted leaves, and finally leads to a cold, dark winter.

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It’s hard to ignore the wave of anti-vaccine videos circulating on social media. Curiosity makes us click, and we watch yet another doctor’s emphatic advice—“Do not take the COVID-19 vaccine if you value your life!” They all speak with the confidence and authority of spies planted last year in the Pfizer, Moderna, and Johnson & Johnson labs. Now these self-proclaimed experts—some with acceptable medical backgrounds, but others more questionable—have become whistleblowers predicting horrific outcomes from the vaccines. They look into our eyes and claim to care deeply about our health, urging, “Pass my video on to everyone you know as fast as you can.”

Home-field advantage, the benefit that a home team in a sporting contest enjoys over a visiting team, is one of the most well-known phenomena in sports. It's commonly thought that throngs of supporting fans at home-team venues significantly contribute to this effect. Of course, that explanation has always remained untested, until now...

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Delayed by the pandemic for nearly a year, the Kenyan government has at last approved a new natural weedkiller just in time for the rainy season. This alternative to traditional pesticides is based on a locally-growing fungus that will help farmers reap a bigger harvest. With wider government approvals, innovative solutions like this can help solve Africa’s food security crisis and bring hope to millions around the world. 

In one microscale step for machine, but a potentially significant leap for the treatment of brain cancer, researchers at the Harbin Institute of Technology in China have created controllable microrobots that can breach the blood-brain barrier and deliver cancer drugs to tumors in the brains of mice.