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Israel declared as state land this week nearly 1,000 acres in the West Bank, beginning the process to build settlements in more areas Palestinians say should be part of a future Palestinian country. Here, a general view of construction of new housing units in the Israeli settlement of Beitar Illit, which borders some of the appropriated land.

As The Gaza Strip Calms Down, The West Bank Heats Up

From the hilly Israeli settlement of Gva'ot, on a peak in the occupied West Bank, you can see nearby hills that are part of a 1,000-acre parcel of land that Israel this week claimed as state land, an announcement that in the wake of the Gaza ceasefire is reigniting political sparks.

Palestinians say the land should be part of their future state. Israel plans to use it to build more settlements in the West Bank, where there are now more than 350,000 settlers.

Proteins and enzymes that will produce antibodies for the experimental Ebola drug ZMapp are developed on the leaves of the nicotiana benthamiana plant, a relative of tobacco. Here, indicator proteins glow under ultraviolet light — a way to assess the success of bacteria spread.

The Latest Word From WHO On Experimental Ebola Therapies

One of the reasons Ebola is so terrifying is that there's no vaccine and no cure. But the World Health Organization hopes to change that, with plans to quickly test experimental products during this outbreak.

By November, two promising vaccines will have been tested on people to see if they're safe, says Marie-Paule Kieny, assistant director-general at WHO.

Solar sponge: The top layer of graphite soaks up the sun's energy in tiny holes. When drops of liquid fill the holes, the water quickly evaporates. (The beaker looks hot, but the water below the sponge is cool as a cucumber.)

Cheap Drinking Water From The Sun, Aided By A Pop Of Pencil Shavings

Piscine Molitor "Pi" Patel did it to survive on the Pacific Ocean. Robert Redford used the trick in All is Lost.

When you're trapped on a boat, you can easily make fresh water, right? Simply let the sun heat up and evaporate salt water. Then trap the steam, condense it on a plastic surface and collect the fresh water. The liquid even gets sterilized in the process.

So why can't people around the world who lack clean drinking water do something similar?

President Barack Obama speaks at a news conference at the NATO summit at Celtic Manor, Newport, Wales, on Friday.

Obama: Our Goal Is To 'Dismantle' The Islamic State

During a press conference to mark the end of a two-day meeting of the North Atlantic Treaty Organization in Wales, President Obama said he found "conviction" among U.S. friends and allies that the international community must "degrade and ultimately destroy" the Islamic State.

Obama said the militant Sunni group cannot be contained because it is already causing so much damage.

A security man takes visitors' temperatures Wednesday at the Transcorp Hilton hotel in Abuja, Nigeria, about 400 miles north of Port Harcourt.

A Diplomat Infects A Doctor As Ebola Spreads In Nigeria

Ever since Ebola first appeared in Nigeria in July, health officials have been holding their breath. Could the country keep the virus from spreading outside its capital of Lagos?

The answer is no. The lethal virus has jumped to another major city. The outcome of a public health drama unfolding in Nigeria's oil-producing center could determine whether the world's largest Ebola outbreak is brought under control or spreads throughout West Africa and beyond.

Pentagon Says Drone Strike Killed Leader Of Militant Group Al-Shabab

The Pentagon says the co-founder of the al-Qaida affiliate in Somalia was killed in a U.S. drone strike earlier this week.

In a statement on Friday, Pentagon Press Secretary Rear Adm. John Kirby said:

Ukraine Says It Reached A Cease-Fire Deal With Separatists

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Pro-Russian separatists stand on a road in the village of Novokaterinovka, eastern Ukraine, on Thursday.

In Ukraine, Cease-Fire Between Government, Separatists Takes Hold

This post was updated at 1 p.m. ET.

The government of Ukraine and pro-Russian separatists in the east say they have stopped fighting, honoring a cease-fire that took effect late Friday afternoon local time.

NPR's Corey Flintoff tells our Newscast unit that Ukrainian President Petro Poroshenko ordered a cease-fire once separatists agreed to peace talks at a meeting in Belarus.

During a televised press conference, Poroshenko said the peace deal was forged based on a phone conversation he had with Russian President Vladimir Putin.

Science On Diets Is Low In Essential Information

Americans crave information about diets, even as our national weight keeps rising. New studies are highlighting that there is still a lot that we don't know.

Many African-American parents feel it's essential to have "the talk" with their children.

What's Your Take On #NPRTheTalk?

In the weeks since the shooting death of 18-year-old Michael Brown in Ferguson, Mo., families across the country are discussing how they approach "the talk" — not the one about sex, but the talk about safety and how young people should conduct themselves in encounters with the police. This difficult conversation has been part of the black family experience for generations.