Hard to swallow: Coral cells seen engulfing algae

Scientists have seen stony coral cells engulf dinoflagellates – single-celled, photosynthetic algae that are crucial for keeping coral alive. The researchers cultured endoderm-like cells from the stony coral, Acropora tenuis. Around 40% of coral cells …

3 ETFs Perfect to Grow Your IRA

Taking a flyer on a hot stock is certainly more fun, but when it comes to your retirement money, balance safety and reward with these bundles of equities.