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Health & Medicine

Delusions of skin infestation may not be so rare

Delusional infestation, an unwavering belief that one’s skin is overrun with creatures or objects, may not be as rare as previously thought, researchers say.

Life

Fossils sparked Charles Darwin’s imagination

Darwin’s Fossils recounts how finding extinct species in South America helped Charles Darwin develop his theory of evolution.

Tech

Sheets of tiny bubbles could bring a sense of touch to virtual reality

Shape-shifting films used in sleeves or other garments could provide tactile feedback that makes virtual realities feel more real.

Astronomy

Dark matter isn’t interacting with itself after all

Hints that a distant galactic collision knocked dark matter askew fizzled with new observations.