Lydia Denworth

1 week ago | scientificamerican.com | Rachel Feltman |Lydia Denworth |Fonda Mwangi |Alex Sugiura

This episode was made possible by the support of Yakult and produced independently by Scientific American's board of editors. Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. Over the last couple of decades, few science topics have made a bigger mainstream splash than the microbiome. Our growing understanding of the microbes that live on us, in us and around us has scientists analyzing—and trying to tweak—colonies from our armpits to our genitals.

1 week ago | scientificamerican.com | Lydia Denworth

This article was made possible by the support of Yakult and produced independently by Scientific American's board of editors. If the summer of 2025 is anything like last year’s, get ready to sweat. July and August of 2024 were among the hottest months on record in the U.S. Phoenix, Ariz., saw daytime temperatures higher than 100 degrees Fahrenheit for more than 100 days. But now temperatures are staying high at night, too, which increases health dangers.

1 month ago | projektpulsar.pl | Lydia Denworth

Naukowcy łączą procesy mózgowe, które leżą u podstaw chęci poznania, co generalnie uważamy za ciekawość. Ustalają, w jaki sposób mózg skupia się na rzeczach nowych, radzi sobie z niepewnością, uruchamia sieci gratyfikacyjne i utrwala to, co zapamiętaliśmy. Zaczynają również rozumieć, dlaczego ciekawość rodzi niekiedy bardzo poważne konsekwencje. [Artykuł także do słuchania] Świat jest pełen ciekawych rzeczy. Ale od czego zacząć? Jak wybrać to, co warte uwagi? Co motywuje nas do zdobywania wiedzy?

1 month ago | scientificamerican.com | Lydia Denworth

The idea that our workouts could benefit the trillions of microbes that live in our guts—bacteria and viruses that help our immune systems, metabolism, digestion, and other key bodily functions—isn’t obvious. At least it’s not as obvious as the connection between diet and the gut microbiome, as these microbes are called. But evidence is growing that an aerobic workout such as jogging can improve the health of the gut microbes, which in turn improves overall physical health.

2 months ago | scientificamerican.com | Lydia Denworth

The rattling or whistling noises of regular snorers are famously hard on those who share their beds. Middle-aged men and people who are overweight come frequently to mind as perpetrators because they are the most common sufferers of sleep apnea, often caused by a temporarily collapsing airway that makes the person snore heavily. But recent studies in children and pregnant women have revealed that even mild snoring can negatively affect health, behavior and quality of life.