Top news for 2021-07-31

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On This Day In Space: Dec. 22, 1966: 1st flight of the HL-10 lifting body

Biden Seeks to Revive Vaccine Effort With New Rules and Incentives

Vaccinated People May Spread the Virus, Though Rarely, C.D.C. Reports

Texas Gov. Abbott Exec Order: No Face Mask Mandates, Covid-19 Vaccine Requirements By Local Authorities

Here's What Ancient Climate Tipping Points May Be Able to Reveal About Earth's Future

For India’s Pharma Tycoons, Covid-19 Vaccines Are The New Cash Cows

Covid vaccine booster shots for the delta variant are being over-hyped by drug companies

Bendy camera the width of a human hair can take accurate 3D images

In South Africa, Poachers Now Traffic in Tiny Succulent Plants

A Plant That ‘Cannot Die’ Reveals Its Genetic Secrets