Science
What the James Webb Era Is Teaching Astronomers About Early Galaxies
The James Webb Space Telescope lets astronomers see galaxies from the young universe. Here is what infrared astronomy reveals and why it raises new questions.
Science & Health Writer
Daniel Okafor
Daniel trained as a biologist and has written about science and health for magazines and public broadcasters. He focuses on research that is relevant to daily life and is careful to separate strong evidence from early findings.
Life sciencesPublic healthSleep and fitness
Stories by Daniel Okafor
Health
Walking for Heart Health: How a Simple Daily Habit Supports Your Cardiovascular System
Walking is one of the easiest ways to support heart health. Here is how pace, duration and consistency work together, and how to build a routine that lasts.
Science
Into the Dark: How Scientists Are Exploring the Deep Sea
Most of the deep ocean remains unexplored. Here is how robotic vehicles, sonar mapping, and new sensors help scientists study Earth's least-known habitat.
Health
How to Build a Sustainable Sleep Routine That Fits Real Life
A practical guide to building a sleep routine you can keep, from consistent wake times and wind-down habits to bedroom setup and coping with bad nights.
Science
How Gene Editing Works: A Clear Explanation of CRISPR and Beyond
Gene editing lets scientists change DNA with growing precision. This explainer covers how CRISPR works, where it is used, and the ethical questions it raises.
Health
Screen Time and Eye Strain: What Happens to Your Eyes and How to Ease It
Long hours on screens can leave eyes tired, dry and unfocused. Learn what causes digital eye strain and the practical habits that can help reduce discomfort.
Health
Hydration Myths and Facts: What You Really Need to Know About Drinking Water
Do you really need eight glasses a day? Does coffee dehydrate you? We separate common hydration myths from the facts to help you drink sensibly every day.
Science
The Science of Sleep and Memory: Why Rest Helps the Brain Learn
Sleep is an active time for the brain. Here is what researchers understand about how different sleep stages help store memories, and habits that support rest.
Science
Citizen Science Projects Anyone Can Join to Help Real Research
From counting birds to classifying galaxies online, citizen science lets volunteers contribute to real research. Here is how it works and how to get started.
Health
Strength Training After 40: A Practical Guide to Getting Started Safely
Muscle naturally declines with age, but strength training can help. Here is how adults over 40 can start lifting safely, build consistency and stay injury-free.