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Former "Miss Universe" Alicia Machado struck back Tuesday against insults hurled at her by Donald Trump, saying that he was "aggressive" and "really rude."

A well-designed building has the power to inspire those who witness or use the space. But where do architects go when they're in need of inspiration?

Protests. A profile. And a very hungry penguin. It's Thursday and here's what you need to know to Get Up to Speed and Out the Door.

Nudists in Paris will soon be able to shed their clothes without fear of arrest, as city council members have approved plans for an official park for naked people.

Experts and veterans of the executive branch say there's a big gap between what is theoretically possible and what is realistically doable.

"Man, sometimes it takes you a long time to sound like yourself."

They started out selling cups of lemonade at their college, but now two brothers have built a company in Nigeria which distributes its juice in over 650 locations in 18 states in Africa's largest economy.

Almost everyone on Earth now breathes polluted air, according to an air quality map released Tuesday by the World Health Organization.

Conditions in the embattled rebel-held eastern part of Aleppo are getting worse each day. There's no way in or out. Residents in the city are increasingly desperate to tell the world what's happening -- and many have turned to WhatsApp.

Typhoon Megi slammed into the coast of northeast Taiwan on Tuesday, injuring dozens and leaving almost a million homes without power.

During the first presidential debate, Hillary Clinton said Donald Trump thinks global warming was created by and for the Chinese in order to make U.S. manufacturing non-competitive.

"Typhoons are normally nothing but a disaster," says Atsushi Shimizu.

Interviewing the late former Israeli President Shimon Peres on the occasion of his 90th birthday, I asked him what it takes to be a good leader.

Every year, Dindim the Magellanic penguin wobbles into the backyard of a home on Provetá Beach in Ilha Grande, Brazil. Without fail, he comes back in what scientists believe is a sense of loyalty to a man who rescued him when he was at his worst.

Donald Trump told his supporters Tuesday night that he was "holding back" during his first debate against Hillary Clinton because he "didn't want to do anything that embarrassed her."

Former "Miss Universe" Alicia Machado said Trump called her "Miss Piggy" and "Miss Housekeeping." She talks to CNN's Anderson Cooper about how the presidential nominee treated her.

Hillary Clinton was making a point about Donald Trump and women at the first presidential debate when she brought up Alicia Machado, the former Miss Universe who says Donald Trump insulted her.

Trump sniffles, Hillary shimmies and the internet laughs. CNN's Jeanne Moos reports.

In August 2014, Iraqi forces and Kurdish Peshmerga fighters set out on a mission to help Yazidi people trapped on Mount Sinjar.

CNN's Miguel Marquez watched the first presidential debate with a body language expert who analyzed Donald Trump and Hillary Clinton.