The revised adaptive cruise control system is now offered with Porsche Active Safe (PAS).

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One of the key goals of the trail upgrade is to create safe options for active transportation by improving lighting, traffic controls and other measures that have been shown to increase pedestrian safety and reduce injuries and deaths.

FORBES: Second in a series

The prudent use of coastal development setbacks or establishing a safe distance between buildings and the active beach zone can ensure that space is provided for a beach to move naturally, both during normal events and infrequent hurricanes, thereby ensuring the beach is conserved for all to enjoy and that coastal infrastructure remains intact.

UNESCO: Introduction

The two-and-a-half-year-old CAPRISA trial followed nearly 900 HIV-negative, sexually active South African women between ages 18 and 40 to determine how safe and effective tenofovir gel was in preventing HIV infection.

CNN: Gel cuts HIV transmission rate in study

The result is a pair of intelligent, high-fidelity active sound-reduction earplugs that allow natural hearing when sound is safe and provide automatic protection from both loud, sustained music and sudden, loud percussive sounds.

ENGADGET: Etymotic Music?Pro 9-15 earplugs bring high-end hush to audiences, lets us enjoy speed metal safely

The manufacturers are also developing adaptive cruise control, which can automatically maintain a safe speed and distance from other vehicles, and intelligent speed adaptation, which can, in its most active form, prevent a driver exceeding the speed limit.

BBC: How close are we to a crash-proof car?