Mark Fischetti

We have been adding “leap seconds” to time kept by our atomic clocks, but soon we may have to subtract one. Are the tiny adjustments worth the bother?

‘Professor Pickleball’ reveals the science behind the U.S.’s fastest growing sport

More and more climate scientists are supporting experiments to cool Earth by altering the stratosphere or the ocean

Best baseball batting order; mummies demystified

September 2024: Science History from 50, 100 and 150 Years Ago

Death rays; the sawfly’s barf defense

Walking barefoot on hot stones; what makes bluebirds blue

Pavlov’s dogs; Mercury’s dark side

Chromosome cats; Louis Pasteur, master brewer

Hashish addiction; a pension for Madame Curie

Curious dinosaur eggs discovered; element 72 named

Sleep potion; top speed limits

Mayan eclipses; birds sense cholera

Earth as a zoo; sunburned eyes

Lessons from past eras when Earth was a hothouse or a snowball tell us whether we are doomed by climate change or still have time to prevent that fate

Crater mystery explained; Bunsen’s burner

New techniques and novel ingredients can greatly reduce the immense carbon emissions from cement and concrete production

Advances in robotics, sensing and genomics are accelerating findings of sophisticated life throughout the ocean depths

Giant coral towers, vast reefs and other formations are captivating explorers

Detailed data about a host of physical and chemical forces are shaping a new view of the sea