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Drive, Stillness and Wonder

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Page 36
Q0942
DriveHealth

Hand-grip strength is strongly associated with overall health and longevity because it reflects muscle, nerve and ageing reserves.

A grip test is not a destiny or diagnosis, but population studies often find it predicts health outcomes surprisingly well. It may act as a quick marker for strength, frailty and nervous-system function. This matters globally because simple measures can reveal risk where advanced tests are scarce. The lesson: small signals can carry large context.

Q0952
WonderScience

Ordinary matter makes up only about five percent of the universe; the rest is mostly dark matter and dark energy inferred from gravity and expansion.

Stars, planets, bodies and phones are made of ordinary matter, but cosmology suggests they are a minority of the cosmic budget. Dark matter helps explain gravitational behaviour, while dark energy is linked to the universe's accelerating expansion. This matters globally because science is honest about what it cannot yet see directly. The lesson: reality is larger than the visible part.