21/12/2021

Views of comet Leonard from two sun-watching spacecraft

When Comet Leonard, a mass of space dust, rock and ice about a half-mile (1 kilometer) wide, makes its closest pass of the Sun on Jan. 3, 2022, it will be a journey 40,000 years in the making. Ahead of its close pass, two ...

Scientists confirm evidence of a new class of galac­tic nebulae

For the first time, scientists⁠—starting from a discovery by scientific amateurs⁠—have succeeded in confirm evidence for a fully developed shell of a common-envelope system (CE), the phase of the common envelope of a binary ...

Forced labor in 19th-century Java cost many lives

In the nineteenth century, Javanese peasants were forced to work on plantations for low wages. This was an economic success, but at the cost of a large number of lives, reveals a study conducted by Pim de Zwart, Daniel Gallardo-Albarrán ...

Observing the secret life of molecules inside the cell

To understand how cells function, scientists study how their different components—from single molecules to multiple organelles—work together. Using traditional structural biology techniques, they can look at individual molecules, ...

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