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Squid genomes reveal they retreated to deep-sea oxygen refuges over 100 million years ago to survive Earth's largest extinction.
Top 15 Science & Health Discoveries
- Squid survived mass extinction in deep ocean • 01 April 2026 • Science Daily
- Asteroid Bennu sample shows chemical patchwork • 01 April 2026 • Science Daily
- Hammerhead sharks maintain hunting in temperature swings • 31 March 2026 • Phys.org
- New vulnerability found in bacterial cell division • 31 March 2026 • Phys.org
- Racetrack lasers created for stable frequency combs • 31 March 2026 • Phys.org
- Synthetic charged domain wall made in 2D material • 31 March 2026 • Phys.org
- Income rank predicts well-being more than absolute pay • 31 March 2026 • Phys.org
- Landsat data maps global reservoir changes • 31 March 2026 • Phys.org
- Lipid nanoparticles boost CAR T in pancreatic cancer • 31 March 2026 • Phys.org
- Conductive hydrogel merges electrical and biochemical signals • 31 March 2026 • Phys.org
- Forest soil on doormats shifts home microbiome • 31 March 2026 • Phys.org
- Study debunks introverts-are-better-listeners belief • 31 March 2026 • Phys.org
- 20-year window to halt British biodiversity decline • 31 March 2026 • Phys.org
- Modified immune cells target cancer metabolism • 31 March 2026 • Lifespan.io
Newly sequenced genomes combined with global datasets show squid and cuttlefish originated deep in the ocean more than 100 million years ago and survived mass extinctions by retreating to oxygen-rich deep-sea refuges. Their evolution remained stable for millions of years before a post-extinction boom drove rapid diversification into shallow-water habitats.
Source: sciencedaily.com
Analysis of NASA's Bennu samples reveals organic compounds and minerals clustered into three distinct region types shaped by uneven past water activity. The survival of delicate organic molecules in these localized zones provides new clues about how life's building blocks can persist in space.
Source: sciencedaily.com
Biologging data indicate great hammerhead sharks sustain peak hunting performance across wide ocean temperature changes between winter and summer months. Unlike most predators that slow down with temperature shifts, these sharks exhibit a "thermal hustle" that keeps their predatory efficiency stable.
Source: phys.org
Researchers at Université de Montréal identified a previously unknown mechanism in how bacteria remodel cell walls during septum formation and daughter cell separation. This discovery could be targeted by future antibiotics to disrupt the cleavage process that allows cells to divide without bursting.
Source: phys.org
Applied physicists from Harvard and TU Wien developed miniature racetrack-shaped lasers capable of producing bright, stable frequency combs on a microchip. The device could bring the precision of laboratory spectrometers for environmental gas analysis into compact, on-chip systems.
Source: phys.org
Materials scientists at University of Illinois Urbana-Champaign created the first synthetic highly conductive ferroelectric charged domain wall by interfacing two 2D materials. The advance highlights the versatility of these structures and points toward future applications in neuromorphic devices and reconfigurable electronics.
Source: phys.org
A multi-university study published in Nature Communications found that a person's position in the local income hierarchy predicts well-being better than their actual earnings or the size of income gaps. Strong civic and community life can substantially buffer the negative effects of low income rank.
Source: phys.org
Two new papers use Landsat satellite imagery to document seasonal and long-term water loss and gain in reservoirs worldwide. The datasets address critical gaps in understanding these essential resources for drinking water, power, and irrigation.
Source: phys.org
Researchers used lipid nanoparticles to target cancer-associated fibroblasts in the dense desmoplastic matrix surrounding pancreatic ductal adenocarcinoma. The approach improved CAR T cell effectiveness against this hard-to-treat cancer by weakening the protective barrier and immune suppression.
Source: phys.org
Teams in Dresden developed a soft, electrically conductive, and biologically active hydrogel that integrates seamlessly with living tissue. The material enables precise control of both electrical and biochemical signals, advancing medical technologies that bridge electronics and biology.
Source: phys.org
A Finnish study found that placing forest soil on entryway doormats reduced human-associated bacteria inside urban homes and brought the indoor microbiome closer to outdoor profiles. Such interventions could promote healthier microbial environments, particularly in cities.
Source: phys.org
Minnesota Carlson research shows extroverts have a slight perceived advantage as listeners, contradicting the common assumption that introverts listen better. The authors recommend treating listening as a developable skill rather than a personality trait.
Source: phys.org
UK Centre for Ecology & Hydrology modelling predicts that climate and land-use decisions made in the next 20 years will determine the fate of dozens of native birds, butterflies, and plants across Great Britain. The country is already among the most nature-depleted globally.
Source: phys.org
Researchers engineered NK and T cells with metabolite-sensing receptors, improving their ability to infiltrate tumors and enhancing outcomes in mouse cancer models. The approach exploits the distinct metabolic signature of the tumor microenvironment.
Source: lifespan.io
Planetterrian Spotlight
Squid survived mass extinction in deep ocean • 01 April 2026 • Science Daily
The genomic evidence shows these intelligent cephalopods maintained remarkably stable body plans while living in deep-sea refuges for millions of years before exploding in diversity once shallow waters became available again. This survival strategy during the planet's most severe extinction event helps explain why squid and cuttlefish now occupy so many ecological niches across the oceans. It also demonstrates how extreme environments can act as evolutionary lifeboats during global crises. What similar deep-ocean refuges might still hold today that could matter for future climate shifts?
Science Deep Dive: Hidden Time Gap in Work and Health
Most people assume that differences in workplace outcomes between men and women come down to pay gaps, overt bias, or differing career ambitions. The reality is more immediate and physiological: women often carry a heavier invisible load of unpaid time obligations that literally leaves them with fewer hours to compete on the same terms.
Right now, as you go about your day, the minutes you spend on household coordination, emotional labour, and family logistics are quietly shaping your available energy and recovery time. That hidden time gap affects not just career progression but also sleep, stress recovery, and long-term health markers that influence longevity.
Your brain's executive function and physical resilience both depend on consistent blocks of unallocated time. Research keeps showing that even small daily differences in discretionary time compound into measurable gaps in cognitive performance and immune function.
The practical takeaway is to treat time allocation as seriously as nutrition or exercise. Tracking your actual hours of uncommitted time each week can reveal leverage points for protecting recovery and performance. Pay attention to how future studies quantify these time-use patterns because they may reshape how we design both workplaces and personal health strategies.
Today's discoveries remind us that both ancient survival strategies and modern cellular mechanisms often turn on factors we rarely notice until the data arrives. Keep following the evidence.