Category: La science

As Extreme Heat Increases, Heart Attacks Will Rise

A deadly wave of heart attacks and strokes is headed for the US, borne by extreme heat waves spawned by climate change—and those deaths are most likely to occur in people who...

Scientists Just Discovered a New Human Sense of Touch : ScienceAlert

A new study reveals a previously undiscovered way that we can feel light touches: directly through our hair follicles.Before now, it was thought that only nerve endings in the skin and around...

Simple Worms Might Experience Basic, Fear-Like Emotions : ScienceAlert

Incredible though it may seem, a wriggly roundworm with no eyes, no spine, and no brain to speak of may still possess the most basic of animal emotions.In recent research, the nematode,...

How Insect Brains Melt and Rewire During Metamorphosis

The original version of this story appeared in Quanta Magazine.On warm summer nights, green lacewings flutter around bright lanterns in backyards and at campsites. The insects, with their veil-like wings, are easily...

In a Fierce Desert, Microbe ‘Crusts’ Show How Life Tamed the Land

At first glance, the grit crust could seem like a routine example of what researchers call a biological soil crust, or “biocrust”—a community of coexisting bacteria, fungi, algae, and other microorganisms that...

Potent Substance Discovered by Scientists May Evade Antibiotic Resistance : ScienceAlert

Scientists have isolated a possible new antibiotic from a strain of bacterium found in sandy soil from North Carolina.The way it works could make pathogens less likely to develop drug resistance.The potent...

7 Face Masks Your Kids May Actually Wear (2023)

For three years, the US Centers for Disease Control and Prevention (CDC) has issued complicated—and occasionally contradictory—guidance on when you should wear a mask, depending on whether you're inside, outside, vaccinated, or...

A Mouth Rinse Could Reveal Early Warning Signs of Heart Disease : ScienceAlert

High levels of white blood cells in the saliva of otherwise healthy young adults could serve as an early warning sign for cardiovascular disease, according to a recent study by researchers from...
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