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Phys.org / New findings challenge idea that human bodies simply got bigger and bigger over time in a steady line

The biggest jump in body size among our ancestors happened around 2–2.5 million years ago, with the appearance of Homo rudolfensis or Homo erectus/ergaster, rather than gradually across the whole human family tree.

Jun 22, 2026
Phys.org / Experiment upends beliefs on how electrons actually behave in warm dense matter

Researchers at European XFEL, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Rostock University and other collaborating institutions have used high-precision experiments to demonstrate that the most widely used models for the ...

Jun 22, 2026
Phys.org / California has lost more than half of its coastal sand dunes, first-ever assessment reveals

A study conducted by UC Santa Barbara researchers and collaborators has found that California has lost more than half of its coastal dune systems. The researchers' assessment—the first of its kind for the California coast—estimates ...

Jun 22, 2026
Phys.org / Modeling nuclear fusion at lightning speed

As we scour and scorch the Earth for deeper wells of energy, investors and government agencies are pouring billions into nuclear fusion research. The hope is that fusion may ultimately provide a virtually limitless source ...

Jun 22, 2026
Phys.org / Nanotube-based thermoelectrics open a new pathway to waste-heat energy conversion

Whenever someone asks ChatGPT a question, heat is generated somewhere in the server room—a data center. When an electric vehicle battery generates heat during operation, the heat must be managed continuously. Manufacturing ...

Jun 22, 2026
Phys.org / Artificial light is keeping reef fish awake, and the effects may ripple across coral reefs

Artificial light spilling into coastal waters from cities, ports, roads and hotels is disrupting sleep in coral reef fish and is associated with changes in markers linked to brain health, according to a new study from Bar-Ilan ...

Jun 22, 2026
Medical Xpress / Erucamide molecule strengthens the eye's response to damage in retinal disease

Many conditions that cause vision loss share a common feature: the gradual breakdown of the retina, the light-sensing tissue at the back of the eye. Although scientists know some of the structural changes that ensue as this ...

Jun 22, 2026
Phys.org / Women negotiate as effectively as men—but leave people happier

Men and women achieve similar economic outcomes in negotiations, but female negotiators foster stronger interpersonal relationships, which lead in turn to greater satisfaction with the result and a greater desire to negotiate ...

Jun 22, 2026
Medical Xpress / Targeted IL-15 drug in patient testing revives exhausted T cells without triggering severe inflammation

For some people, cancer immunotherapies are life-changing. These treatments can turn the body's own immune system against a tumor, either eliminating it or shrinking it enough to make surgery possible. But these therapies ...

Jun 22, 2026
Phys.org / Room-temperature device synchronizes distant laser spots into single coherent 'supermode'

Researchers have demonstrated a new way to make spatially separated lasers synchronize and act as a single coherent light source—without extreme conditions or complex materials.

Jun 22, 2026
Phys.org / What made prehistoric communities resilient? Ancient social networks may hold the answer

A new study led by Dr. Ariel Malinsky-Buller of the Hebrew University of Jerusalem challenges long-held assumptions about how prehistoric hunter-gatherers survived in the Southern Caucasus between 57,000 and 27,000 years ...

Jun 22, 2026
Phys.org / Leaf-based fluorescence test speeds search for plant gene-editing targets

Gene editing of plant DNA has the potential to produce crops with increased performance and resilience, but it can take a long time to achieve these gains. To shorten this process, scientists often use screening tools to ...

Jun 22, 2026