Strontium isotope maps are disturbed by agricultural lime

Strontium isotopes are frequently used in archaeological studies to establish the provenance and migration history of prehistoric people and artifacts. Many of these studies may be based on incorrect data. A Danish study ...

Renaissance for artisanal mortar

To adapt mortar to new building materials and industrial methods, the content in walls and plaster changed during the 20th century. The change meant that knowledge of historical materials and methods for producing mortar ...

Madrid orders removal of electric scooters

Madrid's city hall said Tuesday it had refused to grant a licence to three electric scooter-share companies and gave them 72 hours to remove their scooters from the streets of the Spanish capital.

Uber joins scooter wars with Lime investment

Uber made a move into electric scooters Monday, as the ride-service giant agreed to a strategic partnership with Lime, one of the major players in the fast-growing segment.

Genetically modified anthocyanin-expressing citrus developed

Anthocyanins, pigments that give plants their red, blue, or purple hues, are not typically produced in citrus fruits grown under tropical or subtropical conditions. Now, scientists have genetically engineered a lime that ...

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