Grizzly bears will be reintroduced to Washington state’s North Cascades mountain range, the federal government said this week — a decision that followed years of bitterly divided debate.But it may still be years before the creatures step foot in the remote and... More »
It would appear that the so-called "great instability" event that wreaked chaos among the planets, sending the gas giants careening through space until they settled into the orbits we know today, occurred between 60 and 100 million years after the birth of the... More »
Ten years before I was born, at 4:40 on the morning of Nov. 10, 1971, my mother and another woman sat “yogi-style” on the floor of an Ann Arbor, Mich., kitchen and lit themselves on fire. They were just blocks from the University of Michigan campus, where my m... More »
What it is: The Little Dumbbell Nebula (also known as Messier 76, M76, NGC 650/651, the Cork Nebula and the Barbell Nebula), a planetary nebulaWhere it is: 3,400 light-years away, in the constellation PerseusWhen it was shared: April 23, 2024Why it's so specia... More »
Despite an arsenal of drugs, many Americans are still unaware of their infections until it’s too late. A Biden initiative languishes without Congressional approval.In the 10 years since the drugmaker Gilead debuted a revolutionary treatment for hepatitis C, a ... More »
The colors of the rainbow are all around us, but so are hues that most of us can't see, including ultraviolet — a wavelength that eludes many humans but, surprisingly, many animals can perceive.Ultraviolet (UV) wavelengths are smaller than those on the visible... More »
The redbrick offices, just north of Hamburg’s River Elbe and a few floors below Carlsberg’s German headquarters, are an unexpectedly low-key setting for a food team gearing up to produce Europe’s first tonne of lab-grown fish.But inside Bluu Seafood, past the ... More »
Robin McKie’s article rings alarm bells for global health and our failure to control airborne pathogens (“What virus will cause the next pandemic? It’s flu, say scientists”).We are rightly looking with concern at the spread of H5N1 and the risk it poses to hum... More »
Staring into the abyss… Am I really reaching anyone out there?” Lisa Kaltenegger is laughing about the unsatisfactory experience of teaching astrophysics over Zoom during Covid lockdowns, but she could be talking about her vocation: trying to discover if there... More »
The eternal mystery of how much we are shaped by our parents – or how much we shape our children – was stirred again last week with the publication of a study that suggests that we are less like our parents than we had previously thought.Led by René Mõttus of ... More »
About a trillion tiny particles called neutrinos pass through you every second. Created during the Big Bang, these “relic” neutrinos exist throughout the entire universe, but they can’t harm you. In fact, only one of them is likely to lightly tap an atom in yo... More »
They brought forests back to life in Costa Rica. Their next challenge? Restoring ecosystems in a warming world.Ecologist Daniel Janzen wades into the field, clutching a walking stick in one hand and a fist full of towering green blades of grass in the other to... More »