Glossary
Partial-word, boolean (AND, OR, NOT) and "exact phrase" searches are supported.
| Term | Definition |
|---|---|
| Intranasal vaccine | A vaccine given as a spray into the nose, such as the live attenuated nasal flu vaccine. Vaccines |
| Invasive species | A species introduced to a new area where it spreads and causes harm to native species, ecosystems, or human activities. Science General |
| Ion | An atom or molecule with an electric charge because it has gained or lost electrons. Science General |
| Ionizing Radiation | High-energy radiation, such as X-rays, gamma rays and some ultraviolet, that can remove electrons from atoms and damage DNA. Radio waves, Wi-Fi and 5G are non-ionizing. Science General |
| IPCC | The Intergovernmental Panel on Climate Change, the UN body that assesses and summarizes the scientific literature on climate change for policymakers. Climate Change |
| Ipse dixit | Latin for 'he himself said it': an assertion offered without proof, relying only on the speaker's authority. Science Literacy |
| Iridology | The claim that health problems can be diagnosed from patterns in the iris of the eye. Controlled tests show it has no diagnostic value. Alternative Medicine |
| Irreducible Complexity | The intelligent design claim that some biological systems could not have evolved because they fail if any part is removed. Evolutionary biologists have shown how such systems can arise step by step. Evolution |
| Isotope | A form of an element with the same number of protons but a different number of neutrons. Some isotopes are radioactive. Science General |
| Jailbreak | A jailbreak is a prompt or exploit that bypasses an AI system's safety filters. Tactics range from getting a chatbot to role-play as a criminal to Unicode tricks. Artificial Intelligence |