The high-security device also monitors speed, routes, and calories burnt.
With a manhunt still underway, the city's usual bustle has been replaced with a sense of shock and heightened security.
From driverless cars to safety initiatives, it was quite a year for advancements in mobility.
This sofa would really tie an (autopsy) room together.
Two New York architects enamored with Parisian flats convinced Rutherford Stuyvesant to build New York's first apartment building in the late 1860s.
What the French gamely call the "art of insertion" is really a multimodal understanding of streets.
New legislation recognizes that demand for units has spun out of control, as have the fees and price hikes rental agencies charge.
The Louvre Museum especially is overrun by the vermin this year, but 'Ratatouille' may have endeared them to visitors.
A judge's ruling over renovations to La Samaritaine has the city wondering about its future.
Road traffic dropped by 18 percent, and PM-10 pollution dropped by 6 percent.
A rash of crimes against East Asian tourists has forced the French capital to get creative.
The ride-hailing company faces legal challenges across the continent.
A new photo project dreams up a Paris Metro commute for lions, giraffes, and the whole gang.
New animations show centuries of expansion in three global cities.
This week's Chicago L train crash highlights an area of technology where U.S. transit lags behind.
A hacked traffic light honks at drivers the instant the signal turns green.
It must sting when the world's biggest smog-hole is calling your air polluted.
The city banned half of all cars from the roads on Monday. Will it be enough?
The entire Paris region's public transportation system will be free this weekend in an effort to stem the early spring smog.