Julissa Treviño

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How are rainbows formed? With simple atmospheric science.

How are rainbows formed? With simple atmospheric science.

How are dinosaurs named?

How are dinosaurs named?

Online birth control is safe—and the only option for some women

Online birth control is safe—and the only option for some women

Glowing skin might start in your genes

Glowing skin might start in your genes

When you should eat breakfast—and when you can probably skip it
Wearables can track your UV exposure, but preventing skin cancer isn’t so simple
Everything you ever wanted to know about vitamin D

Everything you ever wanted to know about vitamin D

Beauty vitamins promise shinier hair, stronger nails, and suppler skin, but do they work?