Rare species’ future is in the freezer

Cheetahs at the Smithsonian Conservation Biology Institute in Virginia. (E. Hockstein/For the Post)

Zoos are taking extraordinary steps trying to restock the populations of animals threatened with extinction, and the effort includes preserving DNA in frozen semen.

Post Nation

Carjackers drive into Philadelphia crowd, killing three people

Two men carjacked an SUV and drove it into a group of people on Friday morning, police said.

More National News

Licensed handgun carry now legal in District of Columbia: Palmer v. DC

Effects of federal court decision allowing licensed handgun carry in D.C.

‘Education reform’ now a pejorative term to many progressive Democrats

‘Education reform’ now a pejorative term to many progressive Democrats

The evidence was clear at this month’s Netroots Nation convention.

You should be bumping, not shaking, those hands

You should be bumping, not shaking, those hands

Knocking of knuckles spreads only one-20th the amount of bacteria that a handshake does, researchers say.

At this assisted living facility, staff knows where you go

Benchmark Senior Living uses wearable devices to track patients, many of whom have dementia.

White House wants to resurrect the failed 2012 Hamas-Israel cease-fire agreement: Why?

Why would the president demand the revival of a 2012 agreement when (a) Hamas is in a much weaker position today; and (b) that agreement obviously didn’t work?

For Chris Christie, pension battle presents a test for 2016

For Chris Christie, pension battle presents a test for 2016

An unexpected state budget shortfall is the latest piece of bad economic news for the New Jersey governor.

Some in ‘torture’ report denied chance to read it

Some in ‘torture’ report denied chance to read it

Former CIA officials had been told recently that they would be able to review parts of the document.

Issa orders former Export-Import Bank staffer to testify

Issa orders former Export-Import Bank staffer to testify

Johnny Gutierrez is subpoenaed to appear before House Oversight panel Tuesday.

Trial for peanut-plant salmonella outbreak to begin in Ga.

Trial for peanut-plant salmonella outbreak to begin in Ga.

Former executives from Peanut Corp. of America are accused of sending out tainted product that killed nine.

Traversing two D.C.s, from Dunbar High to Georgetown U.

Traversing two D.C.s, from Dunbar High to Georgetown U.

Dunbar valedictorian talks about the challenges of transitioning from North Capitol Street to elite private college

In Richmond, students seek to revive ‘Rebel’ mascot

At Freeman High School in Henrico County, a student-led petition to field a Rebel mascot has 1,200 signatures.

Column

Dealmaker quits Carlyle and big future to chase a dream

Dealmaker quits Carlyle and big future to chase a dream

Johnson charts a path from Anacostia to Carlyle, with stops at Princeton and Harvard, then walks away.

New ADG Creative COO fears being pigeonholed

Nate Bailey made career pivots from naval intelligence to school fundraising to advertising.

U.S.: Images show Russia has fired artillery into Ukraine

U.S.: Images show Russia has fired  artillery into Ukraine

The administration released photos it says show rockets were launched from the Russian side of the border.

Column

Today’s politics reflects society’s sense of drift

Today’s politics reflects society’s sense of drift

The public knows it’s not getting what it wants from its politicians. But it has little idea about what it does want.

D.C.-area appointments for July 28

Here’s a look at who is moving where in the greater Washington job market.

Study: Colorado River Basin drying up at faster rate

Study: Colorado River Basin drying up at faster rate

Latest indicator that an historic drought is threatening the region’s future access to water.

Some Israel-Gaza notes (note 1 updated: Kerry’s cease-fire plan “might as well have been penned by Khaled Meshal”)

Among other points made here, reporters have been committing journalistic malpractice by reporting casualty figures from the Hamas-controlled Gaza Ministry of Health as gospel.

In U.S. custody, migrant children become frequent fliers

In U.S. custody, migrant children become frequent fliers

Unaccompanied minors are flown thousands of miles back and forth at taxpayer expense, records show.

Police ID three kids killed in Philadelphia carjacking crash

A roundup of news from around the country.

U.S. evacuates embassy in Libya, citing militia violence

U.S. evacuates embassy in Libya, citing militia violence

The decision comes after clashes between rival groups in the capital heated up in recent days.

At Colorado’s borders, a divide over marijuana

At Colorado’s borders, a divide over marijuana

The state and its neighbors are living out the nation’s conflicted views on the legalization of the popular drug.

In warm Chesapeake waters, a deadly pathogen lies in wait

In warm Chesapeake waters, a deadly pathogen lies in wait

The vibrio vulnificus bacteria can make you mildly sick, or it may take one of your limbs or kill you by sepsis.

Man exonerated by DNA evidence without seeking review

Man exonerated by DNA evidence without seeking review

In what’s believed to be the nation’s first such case, a Dallas man is being cleared without pushing for it.

Without visas for newly adopted kids, family waits in China

Without visas for newly adopted kids, family waits in China

A computer glitch in the U.S. State Department database has slowed processing worldwide.

Obama extends long-term trend of fundraising presidents

Obama extends long-term trend of fundraising presidents

Over the past 30 years, fundraisers undertaken by sitting presidents have largely witnessed an upswing.

The stages of your vacation from work and school

Displayed in one graph.

Business agenda

The founder of Tech Cocktail, Frank Gruber, will discuss his new book “Startup Mixology.”

Column

If voter turnout is key, why is it so low?

If voter turnout is key, why is it so low?

Studies suggest that practical steps to reverse the trend miss the main problem: lack of motivation.

Students catch school superintendent plagiarizing part of commencement speech

Students catch school superintendent plagiarizing part of commencement speech

He was the second Massachusetts superintendent to be accused of plagiarizing a speech this summer.

Authorities struggle as new communication services grow

Industry says law enforcement already has the tools it needs as companies resist wiretap demands.

After foreclosure, trying to buy their house back

After foreclosure, trying to buy their house back

Fannie would sell couple their home for $450,000, while Wall Street investors could buy it for $260,000.

QUIZ: Can you guess where this front page came from?

QUIZ: Can you guess where this front page came from?

Trying to pinpoint a paper’s origin from its headlines

Will Eastern Ukraine turn into Northern Ireland?

Will Eastern Ukraine turn into Northern Ireland?

Guerilla war with continued external support may turn the armed conflict in Donbas into a long-term quagmire for Ukraine.

Animal rights group warns Missouri ballot measure would protect puppy farming

Animal rights group warns Missouri ballot measure would protect puppy farming

“Right to farm” amendment described as a defense against undue restrictions for family farmers.

Obama gives a lot of speeches, but not from the Oval Office

Obama gives a lot of speeches, but not from the Oval Office

President Obama prefers campaign-style speeches to the gravitas of an Oval Office address.

4 senators worry about NSA surveillance of Americans

4 senators worry about NSA surveillance of Americans

The senators tell intelligence chief their concerns about NSA collection of Americans’ e-mails, phone calls.

Afghan teen gets 7.5 years for killing 3 Marines

The victims’ families expressed surprise and anger that the assailant was tried as a juvenile.