11/03/2019

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 ...

Pheromones and social status: Macho mice smell better

Male house mice produce several pheromones, which are volatile and non-volatile chemical signals that have potent effects on the reproductive physiology and behavior of female mice. A recent study conducted by researchers ...

Sick marine mammals turning up on California beaches in droves

As record rains have poured down on California's coasts, sending thousands of gallons of runoff into the ocean and dumping debris and trash onto the beaches, dozens of sickened marine mammals have been turning up along the ...

Japan marks tsunami, nuclear tragedy eight years on

With flowers, silent prayers and tearful tributes, Japan Monday marked the eighth anniversary of a crippling earthquake, tsunami and nuclear disaster that devastated its northeastern coast and left some 18,500 people dead ...

Boeing 737 MAX safety record questioned after two tragedies

For the second time in less than six months, a Boeing 737 MAX 8 has crashed minutes after takeoff and killed everyone on board, raising fresh questions about the safety of a model that is crucial to the US giant's future ...

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