Scientists Identify The Optimal Number of Daily Steps For Longevity, And It’s Not 10,000

Conventional wisdom would have us believe the journey to a long and healthy life begins with 10,000 steps. Each and every day. For those living a more sedentary lifestyle, it’s a goal that can take some effort to maintain. We’ve also known for some time it’s also almost certainly wrong.   By analyzing data on … Read more

Why are efforts to boost the small number of Black U.S. physicists failing? | Science

This story is part of a special package about the barriers Black physicists face and potential models for change. Read more C. Smith/Science In the 1990s, physics departments at U.S. universities faced an existential crisis. The number of undergraduate physics majors had plummeted by 25% over 10 years, prompting fears that many departments might disappear … Read more

Omega-3 supplements could reduce the number of premature births

South Australia has launched a world-first programme to reduce premature births by testing omega-3 levels during pregnancy and giving supplements when they are low Health 28 February 2022 By Alice Klein Omega-3 fish oil can be taken as daily supplements R_Szatkowski/Shutterstock Giving omega-3 supplements to pregnant women with low levels of this fatty acid could … Read more

What’s the maximum number of planets that could orbit the sun?

The solar system contains eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune, all of which circle the sun due to its intense gravitational pull. But is this the maximum number of planets that can orbit the sun? Or is there room for more? Compared with other known planetary systems, the solar system … Read more

Does Drinking Red Wine Really Protect Against COVID? Let’s Look at The Data

A study published last month in the journal Frontiers in Nutrition made headlines around the world. Among a number of findings concerning alcoholic drinks and COVID, it reported drinking red wine was associated with a reduction in the risk of contracting COVID.   Before you start inviting people over to celebrate, it’s important to be … Read more

A Harvard Mathematician Has Basically Solved an Epic, 150-Year-Old Chess Problem

On one level, chess seems like a simple game: 64 individual black or white squares, 16 pieces per side, and two competitors striving for conquest. Dig a little deeper though, and the game offers incredibly complex possibilities, posing challenges to chess theorists and mathematicians that can go unsolved for decades or even centuries.   In … Read more

A New Study Calculates The Number of Black Holes in The Universe. It’s a Lot

Because we can’t see black holes, it’s hard to know exactly how many are out there in the big, wide Universe. But that doesn’t mean we have no means of trying to figure it out. Stellar-mass black holes are the collapsed cores of dead massive stars, and new research incorporating how these stars and binaries … Read more

SpaceX Satellites Have Invaded Astronomers’ Views of The Sky, And It’s Getting Worse

With the rapid expansion of commercial space, there is a growing number of satellites in orbit around our planet. Most of these are in low-Earth orbit, which is becoming increasingly crowded.   This has led some to be concerned about a catastrophic rise of space debris, as well as a growing frustration by astronomers due … Read more

The Convoluted History of The Modern Western Calendar

For something that’s meant to lend order to our lives, the modern Western calendar has a messy history. The mess, in part, comes about because of the difficulty of coordinating the orbits of celestial bodies with the cycles of day and night, and the passage of the seasons.   The year measured by the earth’s … Read more

Fish: Archerfish prove they can count by spitting at computer screens

Previous research has suggested that fish have an innate sense of numbers, but critics say these experiments aren’t the final word. Now, a new study has shown that archerfish really can count Life 24 December 2021 By Michael Le Page Archerfish spit water at their prey Shutterstock / Roberto Dani Can fish count? An experiment involving … Read more