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When you kiss your husband, does your dog try to get your attention? And does that mean that your dog feels jealous? Threatened? Or are we just imagining that?

Many if not all dog owners are sure that their pets have feelings. And we've known for a while that animals exhibit behaviors that look like jealousy, guilt and shame. But it's hard to find out what animals are really feeling. And researchers say that understanding that could give us valuable insights into human emotions, too.

Shortly before the Israel-Hamas fighting began in Gaza earlier this month, two separate killings ratcheted up tensions.

First, three Israeli teenagers were killed, allegedly by Hamas in the West Bank. Israel has arrested many Palestinians, but says it is still searching for the main suspects in the deaths of Naftali Frenkel, 16, Gilad Shaar, 16, and Eyal Yifrach, 19.

A domestic flight in Taiwan that was attempting to land in bad weather brought on by a strong typhoon Wednesday night crashed near the runway, killing as many as 47 of the 58 people aboard, according to multiple media outlets.

About a dozen survivors have reportedly been taken to local hospitals; the plane reportedly had 54 passengers and a crew of four.

From Kuala Lumpur, NPR's Anthony Kuhn reports:

A judge in Philadelphia issued an order today granting a request for a former Nazi camp guard to be extradited to Germany, but 89-year-old Johann "Hans" Breyer died Tuesday, his lawyer told The Associated Press.

Attorney Dennis Boyle told the news agency that Breyer died Tuesday night at a Philadelphia hospital. According to Boyle, Breyer had heart disease and dementia.

U.S. Magistrate Judge Thomas R. Rice said in his ruling: "There is probable cause to believe that Breyer ... is the same person sought for aiding and abetting murder in Germany."

The year 2014 is well on its way to being Malaysia Airlines' annus horribilis. Flight 17, shot down last week over eastern Ukraine, is the second Boeing 777 the airline has lost in the past five months, after MH370 disappeared, it's believed, somewhere over the Indian Ocean.

But even before the double calamity, Malaysia's national carrier was struggling to adapt to momentous shifts in Asia's aviation industry.

If prostitution were legal around the world, the transmission of HIV among female sex workers would go down by at least a third, according to a paper presented at the International AIDS Conference in Melbourne, Australia.

That would be a huge step forward. "[Female] sex workers face a disproportionately large burden of HIV," the paper notes. They are 54 times more likely to be infected with HIV in their lifetime than women in the general population.

The famously grueling cycling race involves about 2,200 miles of furious pedaling, huge mountain climbs and downhill sprints at 50-plus miles per hour. But the Tour de France, now in its final days, is also an epic marathon of eating.

The cyclists now competing in the 101^st rendition of the race are burning an average of 700 calories per hour while riding and, to keep their weight up and maintain their health through the three-week event, they must eat 6,000 to 9,000 calories every day.

Editor's note: We've added an update at the bottom of this post with results of the auction. Read on!

It's a highly specialized category to be sure: "Longest." But that's what the auctioneer is selling. According to the catalog of I.M. Chait Gallery, in Beverly Hills, "This truly spectacular specimen is possibly the longest example of coprolite ever to be offered at auction."

A woman is about to give birth. It will be her second child, and she's not looking to have a third anytime soon. She doesn't want to take birth control pills while she's breast-feeding. And condoms aren't as error-proof as she'd like.

There are a couple of alternatives that are safe, effective and could work for years: an IUD or an implant. She'll need a doctor to get those.

More than two years after the luxury liner Costa Concordia wrecked off the Italian island of Giglio, killing 32 people, its wreckage has finally begun its voyage to a salvage yard in the port of Genoa.

Ancient peoples sent their dead to the grave with their prized possessions — precious stones, gilded weapons and terracotta armies. But unlike these treasures, our digital property won't get buried with us. Our archived Facebook messages, old email chains and even Tinder exchanges will hover untouched in the online cloud when we die.

Or maybe not.

A top White House adviser says any cease-fire agreement between Israel and Palestinians must include the demilitarization of Gaza.

In an interview with NPR's Steve Inskeep, Deputy National Security Adviser Tony Blinken said "that needs to be the end result."

"There has to be some way forward that does not involve Hamas having the ability to continue to rain down rockets on Israeli civilians," Blinken said.

Asked if this means the U.S. has endorsed Israel's demand that Hamas give up its weapons, Blinken said:

(This post was last updated at 10:37 a.m.)

In its first national day of mourning in more than half a century, the Netherlands came to a standstill Wednesday as the remains of some of the victims who died when Malaysia Airlines Flight MH17 was downed over eastern Ukraine came home.

Two military planes landed in Eindhoven. King Willem Alexander, Queen Maxima and Prime Minister Mark Rutte, along with some family members of the dead, waited on the tarmac on a bright, clear day.

Kids can be cruel, especially about weight. So you might think overweight or obese children know all too well that they're heavy — thanks to playground politics. But that's not necessarily so, according to government data covering about 6,100 kids and teens ages 8-15.

About 30 percent "misperceived" their weight status (underweight, normal weight, overweight or obese), according to a report from the Centers for Disease Control and Prevention's National Center for Health Statistics. (The CDC bases those categories on body mass index, adjusted for gender and age.)

Amid another day of fighting, Secretary of State John Kerry landed in Tel Aviv on Wednesday and began a whirlwind session of shuttle diplomacy.

As NPR's Michele Kelemen, who is traveling with Kerry, tells our Newscast unit, the secretary of state is "trying to talk to everybody" to see if he can broker a cease-fire and perhaps lay the groundwork for longer-term negotiations over the future of Gaza.

The Israeli offensive against Hamas in the Gaza Strip is now entering its 16th day. Here's what you need to know:

Eric Garner's funeral will be held in Brooklyn, N.Y., on Wednesday afternoon. The New Yorker died last week shortly after being wrestled to the ground by police.

At least three times a day, Imad Abudayyah, 49, fires up his laptop at the West Bank hotel where he's currently living with his 11-year-old son, Ghassan, to reach out to relatives in the Gaza Strip. Abudayyah says Skype is the only way they can see the family members they have left behind.