Lynn Grist

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Ask Ethan: How Many Black Holes Are There In The Universe?

For the third time in history, we’ve directly detected an unmistakable signature of black holes: gravitational waves resulting from their merger. Combine that with what we know from stellar orbits around the galactic center, X-ray and radio observations of other galaxies, and gas infall/velocity …

Prostate cancer trial stuns researchers: 'It's a once in a career feeling'

Combining two existing prostate cancer therapies could extend the life of men with advanced, high-risk prostate cancer by 37%, according to a study presented at the world’s largest cancer conference. The new findings could change how doctors first approach treatment of prostate cancer.<p>“These are …

Cancer

What to plant in your garden in June

So it’s June, and the searing heat of the Southern California summer is pacing in the wings, waiting to take center stage.<p>Is it too late to put food-producing plants in the ground?<p>Conventional wisdom tells Southern California gardeners to avoid planting edibles in June because they’ll suffer and …

Looking For Ethically Produced Groceries? The 'Organic' Food Label Is Kinda Meaningless

Whole Foods has just rolled out a brand new ratings system for its produce, based on lengthy questionnaires distributed to farmers. The "Responsibly Grown" label expands on the grocery giant's existing labeling, which already does things like tell consumers where their produce was grown.<p>Organic …

Agriculture

Deadlocked Iran nuclear talks break off, to resume next week

LAUSANNE, Switzerland (Reuters) - Iran and six world powers suspended negotiations on a nuclear agreement and were set to meet again next week to break a deadlock over sensitive atomic research and lifting of sanctions, Western officials said on Friday.<p>U.S. Secretary of State John Kerry (L) …

South Asia