Don’t Drink Milk? A Nutritionist Explains How to Get Calcium And Other Nutrients

Cow’s milk is an excellent source of calcium which, along with vitamin D, is needed to build strong, dense bones. Milk also contains protein, the minerals phosphorus, potassium, zinc, and iodine, and vitamins A, B2 (riboflavin), and B12 (cobalamin).   As a child I drank a lot of milk. It was delivered in pint bottles … Read more

Imaginary numbers could be needed to describe reality, new studies find

Imaginary numbers are necessary to accurately describe reality, two new studies have suggested. Imaginary numbers are what you get when you take the square root of a negative number, and they have long been used in the most important equations of quantum mechanics, the branch of physics that describes the world of the very small. … Read more

Snowflake spotters needed to give climate science a boost

By Layal Liverpool Shutterstock/Mariia Tagirova BING CROSBY dreamed of a white Christmas. This December, I’m dreaming of categorising snowflakes. All in the name of science, of course. White Christmas or not, you too can get up close and personal with snowflakes and contribute to climate research by taking part in the online Snowflake ID project. … Read more

Oak processionary moth: Tougher action needed to stop tree-killing insect in UK

Seven years of concerted action to slow the spread of oak processionary moth have failed to stop its consistent outward expansion from London Environment 16 December 2021 By Adam Vaughan Caterpillars of the oak processionary moth (Thaumetopoea processionea) on a tree trunk in Germany blickwinkel/Hecker/Alamy Tougher action will be needed to stop a caterpillar threatening … Read more

Our earliest, ‘half-alive’ ancestor needed little boost from heat | Science

How Earth changed from a lifeless ball of rock, water, and gases to a blue planet teeming with organisms is one of science’s greatest puzzles. Life had to assemble out of chemical building blocks about 4 billion years ago. Some scientists have invoked spectacular sources of energy for life’s spark, such as a comet impact … Read more