Mauritius human settlement invasive species dodo wildlife loss

Human arrival contributed to Mauritius’s wildlife losses

Before people arrived, Mauritius had no land mammals, and flightless birds and large reptiles evolved there. Human settlement brought invasive species and rapid habitat destruction, contributing to the loss of much of the island’s unique wildlife, including the dodo.

The famous black-hole image actually shows its shadow

The dark center in the Event Horizon Telescope's famous black-hole images is a shadow made by the black hole blocking and bending light around it. It is not a direct picture of the event horizon itself.

A helicopter rotor can limit speed

As a helicopter moves faster, one rotor blade moves forward through the air while the blade on the other side moves backward. The forward-moving blade can face extreme drag and vibration; the backward-moving blade can lose lift and stall. This imbalance can make more speed unsafe before engine power runs out.

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Mauritius human settlement invasive species dodo wildlife loss

Human arrival contributed to Mauritius’s wildlife losses

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