Plain-language, peer-reviewed-sourced explainers on heliobiology: how solar activity, the geomagnetic field, and cosmic rays affect the human body.https://heliobios.comen-ushttps://heliobios.com/learn/aurora-and-geomagnetic-stormshttps://heliobios.com/learn/aurora-and-geomagnetic-stormsWhat Kp level you need to see aurora at your latitude, plus the physics of why northern lights appear during geomagnetic storms. Viewing guide.Tue, 19 May 2026 00:00:00 GMThttps://heliobios.com/learn/b-vitamins-and-solar-activityhttps://heliobios.com/learn/b-vitamins-and-solar-activityWhat the 2024 Mendoza paper actually found about B-complex vitamins and solar activity. What it does and doesn't justify for general wellness.Tue, 19 May 2026 00:00:00 GMThttps://heliobios.com/learn/cosmic-rays-and-the-human-bodyhttps://heliobios.com/learn/cosmic-rays-and-the-human-bodyGalactic cosmic rays at sea level vs altitude: cumulative dose, modulation effects, and what modern research shows about human physiological impact.Tue, 19 May 2026 00:00:00 GMThttps://heliobios.com/learn/forbush-decrease-explainedhttps://heliobios.com/learn/forbush-decrease-explainedForbush decreases — sudden drops in cosmic-ray flux when CMEs pass Earth. How they're measured, why they matter for human physiology.Tue, 19 May 2026 00:00:00 GMThttps://heliobios.com/learn/geomagnetic-storm-symptomshttps://heliobios.com/learn/geomagnetic-storm-symptomsFull symptom list during geomagnetic storms — fatigue, headache, HRV depression, sleep disruption. Who gets them, why, what actually helps.Tue, 19 May 2026 00:00:00 GMThttps://heliobios.com/learn/geomagnetic-storms-headaches-migraineshttps://heliobios.com/learn/geomagnetic-storms-headaches-migrainesEvidence on the link between geomagnetic storms and migraine/headache attacks. Mechanism, who's affected, and practical management for sufferers.Tue, 19 May 2026 00:00:00 GMThttps://heliobios.com/learn/kp-index-explainedhttps://heliobios.com/learn/kp-index-explainedWhat Kp actually measures, how the 0-9 scale maps to G-scale storm severity, and what Kp can't tell you about biological impact.Tue, 19 May 2026 00:00:00 GMThttps://heliobios.com/learn/earths-magnetic-field-and-human-healthhttps://heliobios.com/learn/earths-magnetic-field-and-human-healthWhat modern research shows about Earth's magnetic field affecting human physiology. Distinguishing real effects from pseudoscience claims.Tue, 19 May 2026 00:00:00 GMThttps://heliobios.com/learn/living-with-heliobiological-sensitivityhttps://heliobios.com/learn/living-with-heliobiological-sensitivityIf you're sensitive to space weather, here's the practical playbook: sleep priority, training adjustments, hydration. Evidence-based, no woo.Tue, 19 May 2026 00:00:00 GMThttps://heliobios.com/learn/heart-rate-variability-and-space-weatherhttps://heliobios.com/learn/heart-rate-variability-and-space-weatherWhat modern research (Gurfinkel 2022 Harvard cohort) shows about HRV during geomagnetic storms. How to track it on your Oura, Apple Watch, or Garmin.Tue, 19 May 2026 00:00:00 GMThttps://heliobios.com/learn/morning-routine-during-geomagnetic-stormshttps://heliobios.com/learn/morning-routine-during-geomagnetic-stormsIf you feel off during a storm, the first 90 minutes matter. Practical morning protocol: light exposure, hydration, easy movement, caffeine timing.Tue, 19 May 2026 00:00:00 GMThttps://heliobios.com/learn/sleep-and-geomagnetic-activityhttps://heliobios.com/learn/sleep-and-geomagnetic-activityHow geomagnetic storms affect sleep architecture, why it happens, and what your sleep tracker tells you about your sensitivity. Honest guide.Tue, 19 May 2026 00:00:00 GMThttps://heliobios.com/learn/solar-flare-effects-on-humanshttps://heliobios.com/learn/solar-flare-effects-on-humansThe dominant documented pathway is the geomagnetic storm 1–3 days after a major flare. But individual responses vary — your own data has the final word.Tue, 19 May 2026 00:00:00 GMThttps://heliobios.com/learn/solar-storm-app-explainedhttps://heliobios.com/learn/solar-storm-app-explainedHeliobios is the only heliobiology app — it pairs live space-weather data with your wearable to find your personal sensitivities. Honest category guide.Tue, 19 May 2026 00:00:00 GMThttps://heliobios.com/learn/the-replication-problem-in-heliobiologyhttps://heliobios.com/learn/the-replication-problem-in-heliobiologyA 2020 critique didn't kill heliobiology. Modern peer-reviewed evidence — cardiovascular meta-analyses, HRV studies — confirms the field replicates.Tue, 19 May 2026 00:00:00 GMThttps://heliobios.com/learn/space-weather-and-athletic-performancehttps://heliobios.com/learn/space-weather-and-athletic-performanceHow geomagnetic storms affect HRV-guided training. Practical guidance for athletes on adjusting workouts during predicted storm windows.Tue, 19 May 2026 00:00:00 GMThttps://heliobios.com/learn/what-is-a-geomagnetic-stormhttps://heliobios.com/learn/what-is-a-geomagnetic-stormHow geomagnetic storms work: from solar flare to Earth's magnetic field disturbance. Kp index, G-scale severity, real impacts on tech and biology.Tue, 19 May 2026 00:00:00 GMThttps://heliobios.com/learn/why-people-respond-differentlyhttps://heliobios.com/learn/why-people-respond-differentlyGeomagnetic sensitivity varies wildly. Who's most affected, why, and how to know if you're in the sensitive group — based on peer-reviewed research.Tue, 19 May 2026 00:00:00 GMT