Life Sciences

The pandemic pet boom was real. The happiness boost wasn’t
  1. Life Sciences

The pandemic pet boom was real. The happiness boost wasn’t

A new study challenges the belief in a universal “pet effect” on human well-being. Using data collected during COVID-19 lockdowns, researchers found no significant change in respondents’ well-being when they acquired or lost a pet in their household. The findings suggest that, even during a time of extreme isolation, human-animal bonds may not be as […]
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Scientists reprogram ant behavior using brain molecules
  1. Life Sciences

Scientists reprogram ant behavior using brain molecules

From the bright lights of cities that don’t sleep — where people hustle and bustle through the night to keep subways, servers, and supply chains alive — to the whisper-dark understory of tropical forests where ants hum in syncopated lines, the planet’s most intricate societies hinge on round-the-clock cooperation and finely tuned roles. Within Atta […]
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Mammals didn't walk upright until late—here's what fossils reveal
  1. Life Sciences

Mammals didn’t walk upright until late—here’s what fossils reveal

For over a century, scientists have puzzled over a fundamental mystery in our evolutionary history: how did mammals go from sprawling like lizards to striding like cats and dogs? This transition — from a sprawled stance (like a lizard) to an upright (parasagittal) posture — marked a pivotal moment in mammal evolution. While the earliest […]
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Skull study shows Chicago's rodents are rapidly evolving
  1. Life Sciences

Skull study shows Chicago’s rodents are rapidly evolving

In general, evolution is a long, slow process of tiny changes passed down over generations, resulting in new adaptations and even new species over thousands or millions of years. But when living things are faced with dramatic shifts in the world around them, they sometimes rapidly adapt to better survive. Scientists recently found an example […]
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These 545-million-year-old fossil trails just rewrote the story of evolution
  1. Life Sciences

These 545-million-year-old fossil trails just rewrote the story of evolution

The Cambrian explosion was an extraordinary phenomenon in the evolution of life on the planet that led to the emergence of many animal phyla and the diversification of species. During this period, some 530 million years ago, most of the basic body plans of organisms that have survived to the present day emerged. However, this […]
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Can these endangered lizards beat the heat? Scientists test bold relocation plan
  1. Life Sciences

Can these endangered lizards beat the heat? Scientists test bold relocation plan

Climate change and habitat loss are affecting animal populations around the world and reptiles such as South Australia’s own endangered pygmy bluetongue are susceptible to higher temperatures and declining long-term rainfall trends. Flinders University scientists are working on securing a sustainable future for the burrow-dwelling endemic skink (Tiliqua adelaidensis) by assessing their suitability to cooler […]
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New viruses discovered in bats in China could be the next pandemic threat
  1. Life Sciences

New viruses discovered in bats in China could be the next pandemic threat

Researchers have discovered two new viruses in bats that are closely related to the deadly Nipah and Hendra viruses — pathogens that can cause severe brain inflammation and respiratory disease in humans. The viruses, as well as other new viruses, bacteria, and parasites identified from bat kidneys, were reported this week in the open-access journal […]
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From cursed tomb fungus to cancer cure: Aspergillus flavus yields potent new drug
  1. Life Sciences

From cursed tomb fungus to cancer cure: Aspergillus flavus yields potent new drug

Penn-led researchers have turned a deadly fungus into a potent cancer-fighting compound. After isolating a new class of molecules from Aspergillus flavus, a toxic crop fungus linked to deaths in the excavations of ancient tombs, the researchers modified the chemicals and tested them against leukemia cells. The result? A promising cancer-killing compound that rivals FDA-approved […]
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Good Reads

Scientists reprogram ant behavior using brain molecules

Scientists reprogram ant behavior using brain molecules

From the bright lights of cities that don’t sleep — where people hustle and bustle through the night to keep subways, servers, and supply chains alive — to the whisper-dark understory of tropical forests where ants hum in syncopated lines, the planet’s most intricate societies hinge on round-the-clock cooperation and finely tuned roles. Within Atta […]
Written by
Mammals didn't walk upright until late—here's what fossils reveal

Mammals didn’t walk upright until late—here’s what fossils reveal

For over a century, scientists have puzzled over a fundamental mystery in our evolutionary history: how did mammals go from sprawling like lizards to striding like cats and dogs? This transition — from a sprawled stance (like a lizard) to an upright (parasagittal) posture — marked a pivotal moment in mammal evolution. While the earliest […]
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Worlwide

Scientists reprogram ant behavior using brain molecules

Scientists reprogram ant behavior using brain molecules

From the bright lights of cities that don’t sleep — where people hustle and bustle through the night to keep subways, servers, and supply chains alive — to the whisper-dark understory of tropical forests where ants hum in syncopated lines, the planet’s most intricate societies hinge on round-the-clock cooperation and finely tuned roles. Within Atta […]
Written by
Mammals didn't walk upright until late—here's what fossils reveal

Mammals didn’t walk upright until late—here’s what fossils reveal

For over a century, scientists have puzzled over a fundamental mystery in our evolutionary history: how did mammals go from sprawling like lizards to striding like cats and dogs? This transition — from a sprawled stance (like a lizard) to an upright (parasagittal) posture — marked a pivotal moment in mammal evolution. While the earliest […]
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A coordinated kinase and phosphatase network regulates Stu2 recruitment to yeast kinetochores

Cells coordinate diverse events at anaphase onset, including separase activation, cohesin cleavage, chromosome separation, and spindle reorganization. Regulation of the XMAP215 family member and microtubule polymerase, Stu2, at the metaphase-anaphase transition determines a redistribution from kinetochores to spindle microtubules. We show that cells modulate Stu2 kinetochore-microtubule localization by Polo-like kinase1/Cdc5-mediated phosphorylation of T866, near the […]
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