Narwhals may use their iconic tusks to play

Videos show narwhals using their tusks in several ways, including prodding and flipping a fish. It’s the first reported evidence of the whales playing.

Simple strategies can boost vaccination rates for adults over 65 − new study

Knowing which vaccines older adults should get and hearing a clear recommendation from their health care provider about why a particular vaccine is important strongly motivated them to get vaccinated.…

Heat-based stabilization of a conductive polymer simplifies bioelectronics fabrication

James Webb Space Telescope investigates the origins of ‘failed stars’ in the Flame Nebula

The James Webb Space Telescope (JWST) has probed deep into the dusty shroud of a young nebula alight with star formation on the hunt for “failed star” brown dwarfs. Brown…

Brazil decides leaders will speak before COP30, easing logistics crunch

COP30 host Brazil has announced that world leaders will deliver their speeches on climate action several days before UN negotiations officially kick off on November 10, in a bid to…

Mexico reports 22 measles cases after US outbreak

An electron micrograph of the measles virus. Credit: CDC/ Courtesy of Cynthia S. Goldsmith Mexican health authorities reported 22 cases of measles on Thursday, following an outbreak in the United…

An aspirin a day keeps the doctor away? No, that won’t limit strokes and could very well lead to stomach, intestinal and brain bleeding

Many people still believe the benefits of taking an aspirin every day to prevent heart attacks and strokes outweigh the potential dangers – despite experts warning of the contrary more…

Symptoms of long COVID can last up to two years after infection, research suggests

Credit: Andrea Piacquadio from Pexels Some 23% of people infected with SARS-CoV-2 between 2021 and 2023 developed long COVID, and in more than half of them the symptoms persisted for…

Mikveh ritual bath discovered at Ostia Antica

Archaeologists excavating at Ostia Antica have discovered a Jewish ritual bath known as a mikveh. Ostia Antica was an ancient harbour town situated at the mouth of the Tiber River.…

Weighing in on a Mars water debate: Analysis challenges previous findings

Credit: Pixabay/CC0 Public Domain More than 3 billion years ago, Mars intermittently had liquid water on its surface. After the planet lost much of its atmosphere, however, surface water could…