Polar bears have captivated artists' imaginations for centuries, but what they've symbolized has changed over time

Do you see a fearsome predator? A fragile icon of impending extinction? What these arctic giants have stood for in art has continually evolved.

Anne Collins Goodyear, Co-Director of the Bowdoin College Museum of Art, Bowdoin College • conversation
Feb. 26, 2021 ~10 min

Artificial insemination in captive lions is bad news for conservation

Presenting accounts of technological success in captive lion breeding against the backdrop of rapidly diminishing wildlife loss lets humans off the hook too easily.

Jackie Abell, Reader/Associate Professor in Psychology, Coventry University • conversation
Feb. 26, 2021 ~6 min

Evolution: lab-grown 'mini brains' suggest one mutation might have rewired the human mind

Neanderthal-human hybrid brains grown in the lab give fascinating insights into evolution.

Per Brattås, Postgraduate Researcher in Clinical Genomics, Lund University • conversation
Feb. 26, 2021 ~8 min

Where does plastic pollution go when it enters the ocean?

Each bit of plastic takes a unique journey once it reaches the ocean. We're trying to spot the patterns.

Ton van den Bremer, Associate Professor of Engineering, Delft University of Technology • conversation
Feb. 26, 2021 ~7 min

We sequenced the cave bear genome using a 360,000-year-old ear bone and had to rewrite their evolutionary history

This is the oldest genome recovered from a non-permafrost environment.

Johanna L.A. Paijmans, Honorary Fellow, Palaeontology, University of Leicester • conversation
Feb. 26, 2021 ~7 min

Can vaccinated people still spread the coronavirus?

You've been vaccinated; can you now safely see your friends and family? New research hints that vaccinated people may be less likely to transmit the coronavirus, but they are not 100% in the clear.

Deborah Fuller, Professor of Microbiology, University of Washington • conversation
Feb. 26, 2021 ~7 min

Meatpacking plants have been deadly COVID-19 hot spots – but policies that encourage workers to show up sick are legal

Thousands of workers at meat- and poultry-processing plants have contracted COVID-19, and hundreds have died. A legal scholar recommends ways to make their jobs safer.

Ruqaiijah Yearby, Professor of Law, Saint Louis University • conversation
Feb. 26, 2021 ~9 min

What are phthalates, and how do they put children's health at risk?

Scientists issued an urgent call for better federal regulation of these endocrine-disrupting chemicals. Here's why.

Stephanie Eick, Postdoctoral Researcher in Reproductive Health, University of California, San Francisco • conversation
Feb. 26, 2021 ~6 min

How does the Johnson & Johnson vaccine compare to other coronavirus vaccines? 4 questions answered

The Johnson & Johnson vaccine is different from the Moderna and Pfizer vaccines in a few important ways that could make it a huge help to global vaccination efforts.

Maureen Ferran, Associate Professor of Biology, Rochester Institute of Technology • conversation
Feb. 25, 2021 ~7 min

I spoke to 'minimalists' to find out why they are giving up their personal possessions

Some are motivated by sustainability, others just hate accumulating stuff.

Amber Martin-Woodhead, Lecturer in Human Geography, Coventry University • conversation
Feb. 25, 2021 ~5 min