Many Ukrainians face a future of lasting psychological wounds from the Russian invasion

Arash Javanbakht, Wayne State University “Polina came to our bedroom awakened by the sound of explosions. I didn’t know and still don’t know what to tell her. Her eyes today are full of fear and terror; eyes of all of us.” Alina, a family friend who is a marketer and mother of two children fromContinue reading “Many Ukrainians face a future of lasting psychological wounds from the Russian invasion”

Black women in South African academia struggle to get ahead: what needs to change

In South Africa, the number of black women who acquire undergraduate degrees has increased more than any other population group. Yet they remain underrepresented in senior academic and management positions in the country’s higher education institutions.

Five things you should know about disposable masks and plastic pollution

The fight against plastic pollution is being hit by the COVID-19 pandemic, as the use of disposable masks, gloves and other protective equipment soars, but UN agencies and partners insist that, if effective measures are put into place, the amount of plastics discarded every year can be significantly cut, or even eliminated.

Nations sign up to end global scourge of plastic pollution

Heads of State, environment ministers and other representatives from 175 nations, endorsed a historic resolution at the UN Environment Assembly in Nairobi on Wednesday to end plastic pollution, and forge an international legally binding agreement, by the end of 2024.

South Africa’s efforts to tackle its energy crisis lack urgency and coherence

South Africa’s electricity infrastructure has been degrading in the past decade, with both scheduled and unscheduled power outages on the increase. Despite slowed economic activity due to the COVID-19 pandemic, the country experienced 1130 hours of planned power cuts in 2021, the highest ever.

Why do people get diarrhea?

Hannibal Person, University of Washington Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. Why do people get diarrhea? – A.A.A., age 10, Philadelphia The digestive system breaks down everything you eat and drink to absorb nutrients and makeContinue reading “Why do people get diarrhea?”

How long does protective immunity against COVID-19 last after infection or vaccination? Two immunologists explain

Prakash Nagarkatti, University of South Carolina and Mitzi Nagarkatti, University of South Carolina As the omicron variant of SARS-CoV-2 took hold across the globe in late 2021, it became readily apparent that the pandemic had entered a new phase. Having experienced a previous COVID-19 infection or being vaccinated still left many people wondering how vulnerableContinue reading “How long does protective immunity against COVID-19 last after infection or vaccination? Two immunologists explain”