1. The newest ancient grain on the block.

Sorghum is the latest grain to (re)gain popularity. The list of the benefits is long, including the low amount of water needed to grow it, making it drought-friendly. It's also gluten-free, protein-packed, and has a pleasantly nutty flavor. (The Guardian)

2. Could PTSD be contagious?

Research is showing that people who are exposed to patients and clients struggling with PTSD can actually develop the disorder themselves. In fact, one study estimates that half of psychotherapists who work with PTSD patients might have symptoms of "secondary" trauma. (The Atlantic)

3. You’ll soon have an organic Gatorade option.

Come 2016, PepsiCo will introduce an organic version of its popular sports drink, which already has a lock on about 77 percent of the U.S. market. (Fortune)

4. An 88-year-old woman completed the Honolulu Marathon.

Her favorite part? The post-race party. (Runner's World)

5. Singer Lykke Li on pregnancy and natural self-care products.

"I’ve switched all my products over to natural ones. When you’re pregnant, you care more about what you put on your skin, but you want to go natural for yourself, too. As you get older, you want to nourish your body and soul without any harsh chemicals — life matters!" (Vogue)

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6. Men are seriously opposed to women in the military, especially when they’re ovulating.

In an effort to understand attitudes about integrating women into all facets of the U.S. military, troops in the Special Operations Command were surveyed. Not only do the results show that 71 percent were opposed to letting women into their unit, many thought PMS was "terrible, possibly the worst." (NY Mag)

7. Paul Ryan’s workout is more intense than yours.

From 6:30 a.m. until 8 a.m. he does: P90X, yoga, CrossFit, and spin. (AskMen)

8. Can Peloton compete with SoulCycle?

A Peloton bike costs $1,995, and a monthly subscription to virtual classes costs $39. Their business model reaches a different audience. (Bloomberg)

9. The answer to solar panel efficiency problems could be these high-altitude balloons.

Researchers at NextPV are developing solar panels that attach to high-altitude balloons, allowing them to float above the cloud cover, thus negating cloud interference in the transmission of solar energy. (QZ)

10. Brazil loves breastfeeding, thanks to a big public health push.

The country aggressively promotes nursing and bans advertising of infant formula, which has made breastfeeding far more common than in the United States. (The Atlantic)

11. TIME names the best 100 photos of 2015.

Relive this past year with these incredibly poignant photos. (TIME)

12. Floridians should be concerned about global warming.

As sea levels continue to rise, coastal Miami Beach will likely be hit with damaging floods. (The New Yorker)

13. This park is helping an entire community go green.

The Gowanus, an infamously dirty canal that runs through Brooklyn, will soon be flanked by a newly imagined "Sponge Park" with flood-tolerant plantings that absorb pollutants. (NYT)

14. Will Tenzin Gyatso be the last Dalai Lama?

With the future of Tibet uncertain, the 80-year-old Dalai Lama's followers look to him for guidance. (New York Times)

15. David’s Bridal celebrates brides of all shapes and sizes.

Many of the dresses from the campaign are available in sizes ranging from 2 to 26. So, not only does the main model represent a marginalized body type; the gowns also represent a wide spectrum of bridal bodies. (mbg)

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