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Updated: 44 min 6 sec ago

An Archaeological Mystery In Ghana: Why Didn't Past Droughts Spell Famine?

Wed, 07/20/2016 - 2:16pm

A terrible drought hit Ghana in the 1400s, far worse than today's conditions. Yet people had enough to eat, while today they go hungry. What changed? In a word, colonialism, a new study suggests.

Taking The Battle Against Lyme Disease Ticks To The Backyard

Wed, 07/20/2016 - 12:04pm

Scientists have tested all sorts of strategies to keep Lyme disease ticks from biting us. One is to make it less likely you'll cross paths with the critters in your yard. Sawdust mulch, anyone?

An Old Trick Holds New Promise For Tastier Tomatoes

Wed, 07/20/2016 - 10:35am

Tomato plants grown in large-scale outdoors are often selected for hardiness more than taste. What if you could boost disease resistance, flavor and yield? Researchers think they can — by grafting.

Anti-Abortion Groups Take New Aim With Diverse Strategies

Wed, 07/20/2016 - 4:00am

After a decision by the U.S. Supreme Court last month reaffirmed a woman's right to an abortion, anti-abortion groups are rethinking their approach. And they don't all agree on the best next steps.

Scientists Report The Planet Was Hotter Than Ever In The First Half Of 2016

Tue, 07/19/2016 - 4:01pm

For example, June's average was up 1.62 F. A couple of degrees may not sound like much, but it's persistent warming over decades that alters the atmosphere, the oceans, and most everything else.

Hundreds Of Endangered Toads Released Into Southeast Wyoming

Tue, 07/19/2016 - 3:29pm

More than 900 endangered toads recently hopped onto the arid plains of southeast Wyoming. It's the only place in the world this species — the Wyoming toad — exists. The release is an effort by wildlife officials to bring back one of the most endangered amphibians in North America.

NASA Scientists Predict Another All-Time Heat Record For 2016

Tue, 07/19/2016 - 3:29pm

During the 12 months from May 2015 to May 2016, each month set an all-time heat record. That's on average around the world. Some places were not record breakers, but overall, global warming is increasing. NASA scientists talk about what the rest of this year may look like, and whether it will set yet another global record.

Covered California's Health Plan Rates To Jump Sharply In 2017

Tue, 07/19/2016 - 1:22pm

After two years of moderate rate hikes, a double-digit increase in the cost of insurance premiums in California is likely to resonate across the U.S. in the debate about the benefits of Obamacare.

The Smoggy Seas: Cargo Ships Bring Pollution, Health Risks

Tue, 07/19/2016 - 11:29am

Eight of the 10 busiest ports are in East Asia. A new study shows how the growing number of cargo ships are polluting the air and threatening health.

Can Big Data Help Head Off Police Misconduct?

Tue, 07/19/2016 - 9:15am

An officer who's been under stress after responding to cases of domestic abuse or suicide may be at higher risk of a negative interaction with the public, a data scientist says.

WATCH: The Secret Buzz Only Bumblebees Know To Unlock Our Favorite Crops

Tue, 07/19/2016 - 8:00am

Some plants will only release their pollen to bees that buzz in just the right way. It's a risky strategy — and it's critical to human agriculture, from tomatoes to blueberries.

'Ban The Box' Laws,' Do They Help Job Applicants With Criminal Histories?

Tue, 07/19/2016 - 4:06am

To help ex-felons land jobs, many states have enacted a law that prevents employers from asking applicants to check a box to reveal criminal history. But these laws may not have the intended effect.

Twin Sisters Try To Get Pregnant With Ovaries They Froze In 2009

Tue, 07/19/2016 - 3:43am

Each twin had an ovary removed and frozen in 2009, when they were in their 30s, in hopes of buying more time to get pregnant and have babies. But will the thawed, reimplanted ovaries work?

Twin Sisters Try To Get Pregnant With Ovaries They Froze In 2012

Tue, 07/19/2016 - 3:43am

Each twin had an ovary removed and frozen in 2012, when they were in their 30s, in hopes of buying more time to get pregnant and have babies. But will the thawed, reimplanted ovaries work?

What Science Says About Taking A Great Vacation

Mon, 07/18/2016 - 11:30pm

Summer vacations often take time, energy and money to plan. Expectations can run unreasonably high. This week, we dive into what social science research says about how to have a better getaway.

Got Dense Breasts? That Can Depend On Who Is Reading The Mammogram

Mon, 07/18/2016 - 4:01pm

A big study suggests that radiologists vary widely in their assessment of density, a risk factor for breast cancer. And density is just one component of breast cancer risk, the researchers underscore.

A Case Of Zika Apparently Spread From A Patient To A Family Caregiver

Mon, 07/18/2016 - 3:14pm

Federal and Utah health officials are investigating a case that may be the first instance of Zika spreading from one person to another in ways other than via mosquito bites, sex, or the placenta.

SpaceX Rocket Sends A New Door To Space Station

Mon, 07/18/2016 - 6:37am

A new standardized docking port is bound for the International Space Station, in a mission that brought a sonic boom to Central Florida early Monday morning.

Wellness Programs Take Aim At Workplace Stress

Mon, 07/18/2016 - 3:48am

A recent poll shows stress tops the list for people concerned about the impact of their job on their health. Workplace wellness programs often address stress, but many employees don't sign up.

Cardiac Rehab Saves Lives. So Why Don't More Heart Patients Sign Up?

Mon, 07/18/2016 - 3:21am

Research shows exercise-based cardiac rehab programs help heart patients heal faster and live longer. But fewer than a third take part. Time and cost are the main barriers, doctors and patients say.




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