Phys.org news

Phys.org / 'Timescapes' may explain why animal species perceive events so differently

There is evidence that nonhuman animals perceive the world, and how it unfolds in time, differently from humans and from each other. For example, certain beetles can see flickering in lights up to around 500 Hz, while in ...

4 hours ago
Phys.org / Fossilized babies of ancient crocodile-like predators uproot understanding of how animals adapted to the land

Life on our planet began in the water. Eventually, one branch of the fish family tree developed legs and came up on land. These early four-legged animals, the tetrapods, were the forebears of today's mammals, birds, reptiles ...

4 hours ago
Phys.org / Heat waves increase wildfire risk—a new study explains how much, and it's not a small number

When heat waves hit the Western United States, the risk of wildfires quickly rises. The prolonged heat dries out vegetation, but that's only part of the cause—heat waves also play other roles in spreading wildfires.

2 hours ago
Phys.org / Mating reveals cholesterol's hidden role in male fruit fly lifespan

Scientists have discovered that the optimal diet for male fruit flies may depend strongly on whether they are reproducing, challenging long-standing assumptions about nutrition and aging. Led by researchers from the University ...

2 hours ago
Phys.org / Missing DNA replication step revealed in first image of pre-initiation complex

Cells have evolved careful checks to ensure DNA is copied only once, but how they switch on replication at the right moment has been the focus of a 30-year research question. New work from the Crick has recorded the missing ...

3 hours ago
Phys.org / Hidden electric space waves are quietly cleaning Earth's 'killer' electrons

High above our heads, a silent battle is unfolding within Earth's magnetic shield. For decades, scientists have tracked "killer electrons"—ultrafast particles capable of piercing satellite armor and endangering astronauts ...

6 hours ago
Phys.org / Describing past relationship as a story may help women process breakups

Breaking up with a loved one is often a painful life experience, one that is difficult to recover from. Researchers from SWPS University, however, suggest that a simple step can help. Writing down the story of a past relationship ...

3 hours ago
Phys.org / Mars life search gets boost as rover test distinguishes mirrored biosignature molecules

Billions of years ago, environmental conditions on Mars were significantly more hospitable than they are today. Our neighboring planet was likely warm, humid and surrounded by a dense atmosphere. Whether simple microorganisms ...

3 hours ago
Phys.org / Pigeons' eyes are almost perfectly still when they're flying, study finds

When pigeons are flying through the air, they lock their eyes in a near-fixed position instead of moving them around. Researchers from Harvard University discovered this after attaching a lightweight rig of cameras and mirrors ...

7 hours ago
Phys.org / Ripple-like rings of the 'Bullseye galaxy' could be explained by dark matter

Two U.S. physicists have suggested that the nine concentric rings surrounding the galaxy LEDA 1313424, also known as the Bullseye galaxy, could have emerged through the quantum behavior of particles of dark matter. Through ...

9 hours ago
Phys.org / People are marrying holograms and making friends with chatbots. But can AI bring true happiness?

Can technology really replace human relationships? As philosophy scholars who focus on human happiness and on artificial intelligence (AI), we tackle this question in a recent paper.

4 hours ago
Phys.org / Screens dominate the dinner table, with 77.6% of parents using devices

Food has always had a unique way of bringing people together. It becomes especially evident during family mealtimes, when children and adults gather around the table to share more than just a meal. They share stories, catch ...

8 hours ago