RUM Professor Receives NSF Grant for Human-AI Driving Research
Juan F. Medina Lee was awarded a $517,000 CAREER grant to develop computational models for trust and collaboration between humans and artificial intelligence in autonomous vehicles.

The best beaches, things to do, places to eat and stay, plus live weather, sea conditions and island news, all in one place.
Juan F. Medina Lee was awarded a $517,000 CAREER grant to develop computational models for trust and collaboration between humans and artificial intelligence in autonomous vehicles.
Compiled by the PuertoRico.com News Desk from several published reports and official statements. Every story lists and links its sources.

Residency, the first 90 days, and what a decree does not do for you.

Power, IVU and the car excise, each figure dated and sourced.

Who Dorado, Condado, Ponce and Rincón actually suit.

What the 4% rate, the six-year non-residency rule, and a decree actually require before you move. A long-form guide, not a slogan.
Read the guideEach tool runs on published data and tells you where the numbers come from.

San Juan weather, sea temperature, earthquakes and the tropics on one page.

Every official holiday through 2030, with countdowns and a calendar file.

Active Atlantic storms from NHC, the outlook and a prep checklist.

Modeled waves, swell and water temperature at 12 beaches.

Add or remove Puerto Rico's 11.5% sales tax, with the reduced rates.

Distance and drive time between any two of the 76 mainland towns.

100 phrases for visitors, with the boricua expressions you'll actually hear.

Residency, taxes, the 2026 Act 60 changes and the practical steps.
The main island has about 3,424 square miles of land, and a full drive around the coast takes about 7 hours without traffic, yet it packs a rainforest, a dry forest, karst caves, three glowing bays and two island municipalities off its east coast. Each picture opens a full guide.
Tap any municipality to see its 2020 Census population, density and drive time from San Juan, or jump to a destination guide from the pins.
Second Monday in October.
Federal & Puerto RicoPuerto Ricans have served in the U.S. armed forces since World War I.
Federal & Puerto RicoColumbus reached the island on November 19, 1493, on his second voyage.
Puerto Rico holidayFourth Thursday in November; often turkey stuffed with mofongo ("pavochón").
Federal & Puerto RicoShort answers to the questions people ask most about Puerto Rico. Each links to a full guide with its sources.
Yes, it is a US territory, not a state. Puerto Ricans have been US citizens since 1917, and US citizens do not need a passport to visit.
The currency is the US dollar. Spanish and English are both official languages, but Spanish dominates daily life. The drinking age is 18.
Yes, for most visitors who take normal precautions. The usual problems for travelers are petty theft, rip currents, heat and mosquitoes.
Uber and Lyft both operate, and both serve the San Juan airport. Driving the full coastal loop takes about 7 hours without traffic.
It is warm all year. Atlantic hurricane season runs June 1 to November 30, so check the tropics before you travel in those months.
Puerto Rico has three glowing bays. Mosquito Bay on Vieques is the world’s brightest, according to Guinness World Records. Go near the new moon.