The WHO’s guidance on 5G, radiation, and health

The coronavirus pandemic sparked theories about the dangers of 5G

COVID-19 spreading around the same time as the rollout of 5G sparked conspiracy theories and outrage that the new wireless technology was harming people and the environment. (Some users may experience a paywall.)

A primer on 5G and how it works

You see it mentioned in countless commercials, and your phone might already use it, but do you know what it is? Watch this five-minute primer on the basics of 5G.

How 5G will transform media and gaming experiences

The latest generation of cellular mobile communication, known as 5G, promises speeds up to 100 times faster than 4G. Intel's Asha Keddy talk to MarketWatch about how this will transform media consumption and gaming experiences.

Visualizing the economic impacts of 5G

5G is set to revamp industries around the world, but the benefits may not be equally distributed. This nifty graphic illustrates what the global landscape may look like in 2035.

Breaking down how and why 5G will change the world

The jump from 3G to 4G networks was pretty huge, and 4G to 5G is many times greater and is almost difficult to comprehend. This nine-minute video dives into how 5G will transform our world.

Forecasting worldwide 5G adoption and economics

A collection of 10 regional reports from the world on all things 5G, including key trends and a range of technology, socioeconomic, and financial datasets, including forecasts out to 2025. Data charts and graphics included.

Worldwide adoption rates of 5G

The switch to 5G could become the biggest growth driver for the smartphone industry in coming years. This illustration shows the adoption rate of 5G in different parts of the world.

How do 5G base stations work?

5G relies on a combination of base stations, including macrocells, small cells, and femtocells. The differences between the three are apparent in size, coverage, and cost—but, small cells in particular are key to providing the high millimeter wave frequencies 5G promises. Learn more in this three-minute video.

The CISA’s strategy for secure 5G

CISA, through the National Risk Management Center (NRMC), is leading risk mitigation efforts by working with government and industry partners to ensure the security and resiliency of 5G technology and infrastructure.

Check your 5G coverage with T-Mobile’s interactive map

Enter your address or zip code in this interactive map from T-Mobile to see where 5G and 4G coverage is available near you.

Social media can be a valuable public health tool, combating misinformation, advancing health research, boosting social mobilization, and raising awareness of health services and events.

Check your 5G coverage with Verizon’s interactive map

Use this interactive network coverage map to check Verizon 5G and 4G availability in your area. Find out just how far Verizon's nationwide cell phone coverage map spans.

Mapping the world's cell towers

Millions of cell towers around the world help connect the world's 8 billion people via cell phones and the Internet. But access to such coverage, while still expanding, is not equal. This data visualization depicts the world's many cell connections across a global map, revealing cell use hot spots and the world's many gaps in coverage.

Radio waves are used in broadcasting, weather radar, telecommunications, and GPS

Its ability to bend around obstacles and reflect off the ionosphere—an electrified layer of Earth's upper atmosphere—allows this type of light to travel long distances without damaging living things due to its low energy. MRI scanners, WiFi, and Bluetooth technologies are also applications of this form of light.

Tracing the evolution of mobile phones

The first cell phone was created in 1973, with a 2.4-pound handset and a battery life of about 30 minutes. Since then, pretty much everything about it has drastically changed, with more than 5 billion cellphone users across the globe (that's more than half of the world population). Learn about the evolution of the mobile phone and where the technology may go in the future with this four minute video.

Doctors weigh in: Are wearable fitness devices useful or just entertainment?

In an age where technology is intertwined with our daily routines, there is an evolving relationship between healthcare professionals and the data gained from our wearable devices. This piece, published on The Verge, explores how doctors view and...

What is vaccination? The World Health Org explains

Read up on the basics of vaccinations with this 101 from the World Health Organization, the public health arm of the United Nations.

This 1440 Original video dives into what the science says about phototherapy and its various potential applications.

Testing the internet speed of the US's wireless providers

The US ranked 26th in the world for mobile speeds and eigth for fixed broadband speeds during April 2022. See this ranking of mobile and fixed broadband speeds from around the world on a monthly basis.

As of 2025, there are no federal laws involving privacy and smart city technologies

Advancements in cloud technology and artificial intelligence allow cities to capture, store, and analyze more information than ever before. Experts warn that the unhindered ability to collect and use this data may infringe on residents' rights and endanger them if the data gets into the hands of malicious parties.

Watch a video about how cellphones conquered the world

A fight with a telecom giant. A stunt call on a New York sidewalk. A forgotten memo that rewired the world. Host Sony Kassam sits down with Marty Cooper, the father of the cellphone, and Arlene Harris, the first lady of wireless, to explore the innovation, politics, and high-stakes battles that pried connectivity out of corporate control, unlocked the airwaves, and built the always-on world we live in today, for better or for worse.

Read the WEF’s Global Risks Report for 2025

The Global Risks Report is the World Economic Forum’s annual assessment of the most pressing threats facing the world. The 2025 edition highlights declining global optimism, deepening geopolitical and economic tensions, and rising social fragmentation across societies.

The medical uses of VR

Virtual healthcare simulations are bridging the gap between traditional classroom learning and real clinical experience, improving the safety, effectiveness and efficiency of healthcare services.

The rise of telemedicine: A post-pandemic analysis

Before COVID-19, telemedicine remained on healthcare's periphery; however, the pandemic thrust it into the limelight, transforming how we approach medical care. This comprehensive review published by Press Ganey dives deep into the evolution,...

Visualize network coverage for mobile carriers worldwide with maps of crowdsourced latency and download and upload speeds.

CNET previews CES 2026

This CNET preview outlines what’s coming at CES 2026—from major showcases by Samsung, Sony, LG, and Lenovo to expected trends in AI, chips, digital health, mobility, and robotics.

Read the Surgeon General's 2023 loneliness report claiming loneliness is an epidemic

This report details the specific health threats linked with loneliness, including that loneliness and social isolation can increase the risk of premature death by nearly 30%. Loneliness lowers our capability to mount an effective immune response to viruses and respiratory illness, can cause chronic inflammation on par with physical inactivity, and increases the risks for anxiety, depression, dementia, heart disease and stroke.

19 fungal pathogens are of key concern to world health officials

In 2022, this global health body issued its first-ever list of top fungal threats to human health. It said fungal threats are spreading and occurring more frequently. The WHO’s list included 19 fungal pathogens to watch, and said that the most dangerous ones to public health are Cryptococcus neoformans, Aspergillus fumigatus, Candida albicans, and Candida auris. There are only a handful of classes of medication currently available to combat fungal pathogens, with few others in the pipeline even though antimicrobial resistance is growing.

Do wearables help those with chronic disease?

The integration of wearable technology in healthcare has promised significant benefits for chronic disease management, yet the actual impact remains underexplored. This systematic review published in the Journal of Medical Internet Research...

During flights, cell phones can act like signal jammers as they search for service

When farther from cell towers, these devices expend more energy to emit more powerful signals, which can overwhelm any ground-based tower or radio telescope they fly past. Rather than protecting the flight, airplane mode conserves a cell phone's battery.

High-powered red light therapy—delivered directly to nerve fibers via a fiber optic needle—has been used in recent experimental research to suppress pain.

Rural vs. urban: Exploring the digital health divide

Though digital health tools (DHT) hold potential to transform healthcare accessibility, their adoption varies across urban and rural landscapes. This comprehensive study, drawing from the 2019 Health Information National Trends Survey, evaluates the...

Mental health is much more than the absence of mental illness, according to its official definition from the World Health Organization.

Learn about ionizing radiation and see the most radioactive places on Earth

The average person is exposed to radiation every day, though most of it is either harmless non-ionizing radiation or ionizing radiation at doses too small to significantly affect an individual. The highest doses of ionizing radiation are received by smokers due to the radioactive polonium and radioactive lead in tobacco products.

The HPV vaccine reduces cervical cancer rates by about 90%.

The virtual reality era has finally arrived

The smartphone era has driven a large share of the consumer electronics market for almost 20 years now. But what comes next? Dominant computing platforms come and go over time, and there’s reason to believe that mixed reality devices like headsets and glasses might be the form factor that eventually replaces smartphones. This article presents a snapshot of where we are right now in the VR era, and what the future holds.

The potential of virtual reality in healthcare

Virtual reality (VR) is carving new frontiers in healthcare, from aiding in stroke recovery to training medical professionals. This article in Time Magazine highlights the innovative uses of VR in medical settings, including its potential and current limitations.

Which countries have the fastest internet speeds?

Ever wonder about how fast internet speeds are around the world? Take a look at this graphic which lists out the countries with the highest mobile internet speeds in 2023. Countries in the Middle East and East Asia dominate the list while America lags behind in eighteenth place. Learn more about why a high-income country like the US fall behind in speed, and why other countries are internet powerhouses.

Boost your Wi-Fi with aluminum foil

A surprising hack using aluminum foil can potentially improve Wi-Fi signals, to many readers' surprise. Check out the science with this brief article. Wi-Fi signals spread like radio or light waves from a router's antenna, often leading to...

Misleading measurements and fear-based reporting often exaggerate radiation risks

Daily exposure to radioactivity is common but occurs in low doses outside of locations near nuclear accidents like Chernobyl and Fukushima. Researchers have detected radiation in tuna, bananas, and the human body due to increasing instrumental sensitivity, not rising concentrations.

Loneliness is more dangerous to your health than smoking.

World health experts expect more than 240 million global cases of AMD in 2030

The World Health Organization estimated in 2019 that by 2020 there would be roughly 195.6 million cases of age-related macular degeneration and projected that the number would continue to grow. (Some users may experience a paywall.)

As of 2025, the internet is entering its fourth phase, with three more to go

Since the inception of the internet as a tool for connecting teams of researchers, technological and infrastructure advancements have progressively increased connectivity. Connections between computers, mobile devices, all devices, and now AI agents will be succeeded by an internet that integrates perception and the senses toward an eventual quantum internet.

Explore plans for smart cities expected to be built by 2050

Locations such as Net City in China, Woven City in Japan, and NEOM in Saudi Arabia are expected to incorporate green energy, AI, and advanced transportation system technologies to enhance air quality, reduce congestion, and minimize pollution by significantly reducing personal car use.

As of 2025, about 16% of US adults are 'smartphone-only' internet users

Demographically, smartphone dependency is greatest among those below 30, Hispanics, Blacks, economically disadvantaged individuals, and those with less formal education. Home broadband adoption is at 78%, with rates highest among suburban residents.

As of 2025, about 16% of US adults are 'smartphone-only' internet users

Demographically, smartphone dependency is greatest among those below 30, Hispanics, Blacks, economically disadvantaged individuals, and those with less formal education. Home broadband adoption is at 78%, with rates highest among suburban residents.

Modernizing health data privacy: A call for comprehensive reform

Despite the advancements in medical technology and data collection, securing personal health data remains a pressing issue in the 21st century. This Forbes article analyzes the state of health data privacy, sheds light on the current shortcomings,...

Key milestones in the history of the World Health Organization

The World Health Organization, a UN agency founded in 1948, was first proposed at the 1945 UN Conference to coordinate global health efforts. This interactive timeline marks the WHO’s 75th anniversary with major public health milestones.

FDA has removed black box warnings from hormone replacement therapy for menopause.

Biohacking to boost personal health has become a concept that encompasses everything from vitamin regimens and cryochambers to brain implants and red light therapy.