Examlex
Matter flowing into a black hole cools until it is accelerated into a jet.
Cluster Headaches
Extremely painful headaches that occur in patterns or clusters, typically around one eye.
Excruciating Headache
A term used to describe an extremely severe and painful headache.
Forehead
The part of the face above the eyebrows and below the hairline, important in many neurological and physical assessments.
Cancerous Thyroid Nodule
A malignant lump or growth in the thyroid gland, which can affect hormone production and requires medical evaluation.
Q8: Why was it difficult for astronomers to
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Q43: Why do scientist refer to Earth's mantle
Q69: Ordinary matter makes up approximately _percent of