Researchers think they've found a link between patients experiencing severe COVID-19 and their exposure to PFBA.
Long-term exposure to high levels of air pollution can make people more susceptible to COVID-19.
Locals venturing outdoors in New Delhi "felt an itching or burning sensation in the eyes and throat," a newspaper reported.
Pandemics could happen more often in future, kill more people and wreak even worse damage on the global economy.
We're at a critical juncture for overcoming not one but two of the biggest crises facing humanity.
Songbirds began singing more joyfully again and changing their tunes in the process as males tried to woo females.