Eating disorders are often misunderstood, but earlier treatment improves outcomes. Let’s dispel some myths, learn how to recognize eating disorders and what to do if someone you love is struggling.
Barcodes containing verifiable information could make our lives easier and provide safe access to buildings or online services. But a global effort will be necessary to make them completely secure.
A virus’s genes hold a record of where it’s traveled, and when.
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Claire Guinat, Swiss Federal Institute of Technology Zurich; Etthel Windels, Swiss Federal Institute of Technology Zurich y Sarah Nadeau, Swiss Federal Institute of Technology Zurich
After a nose swab tests positive for a virus or bacteria, scientists can use the sample’s genetic sequence to figure out where and when the pathogen emerged and how fast it’s changing.
Experiments show portable air filters can clear the coronavirus from makeshift wards – and offer more evidence that the virus spreads through airborne transmission.
However Rodgers came to his decision to remain unvaccinated, he did not follow the tenets of critical thinking.
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Joe Árvai, USC Dornsife College of Letters, Arts and Sciences
Critical thinking means seeking out new information – especially facts that might run contrary to what you believe – and being willing to change your mind. And it’s a teachable skill.
For peer learning to be effective, each child should have a specific task or role.
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Small-group learning activities can help students build social skills while enhancing academic achievement. This is particularly important for kids who face bullying or discrimination.
Just when things seemed to be getting back to COVID normal, a new variant has us worried all over again. But we can be kind to our brains and boost well-being in uncertain times.
Manufacturing is just one part of the vaccine ecosystem. It’s the health system that delivers vaccines and people must be willing to take them.
People wait at O. R. Tambo International Airport in Johannesburg, South Africa on Nov. 26, 2021, as many nations moved to stop air travel from the country.
AP Photo/Jerome Delay
Should countries require COVID-19 vaccination for entry while vaccines remain globally scarce?
The omicron variant possesses numerous mutations in the spike protein, the knob-like protrusions (in red) that allow the virus to invade other cells.
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It’s too early to say whether the newly identified omicron variant is going to overtake delta. But particular mutations in the new strain have researchers deeply concerned.
The new variant is a warning: unless we take urgent action to correct global vaccine inequities, we risk the emergence of further variants, some of which may evade vaccines.
Nigeria’s President Buhari at the 2021 Intra-African Trade Fair in Durban, South Africa.
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Honorary Enterprise Professor, School of Population and Global Health, and Department of General Practice and Primary Care, The University of Melbourne
Dean Faculty of Health Sciences and Professor of Vaccinology at University of the Witwatersrand; and Director of the SAMRC Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand