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.
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.
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.
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.
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.
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.
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.
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.
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.
Feb. 25, 2021 • ~7 min
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