Scientific American.com
Extreme heat is muddling animals’ brains—and even triggering aggression
As temperatures rise, some creatures pick fights while others struggle to learn
How underappreciated mathematician Emmy Noether helped prove physics' most fundamental theories
Noether's work helped prove the conservation of energy in physics, a key foundation for Einstein's theory of relativity
The first ticking ‘nuclear clocks’ are here
These radical new devices keep time using fluctuations in the energy states of an atom’s nucleus, rather than those of its electrons, which atomic clocks currently use to define the length of a second
Why the paint is peeling off the Lincoln Memorial Reflecting Pool—experts explain
Poor preparation and a failure to properly apply the coating may be just a few of the reasons why the Reflecting Pool’s new paint job appears to be peeling off
Interstellar Comet 3I/ATLAS is almost as old as the universe itself
The evidence is mounting: this interstellar visitor is even older and weirder than anyone thought
Stem cells banish severe autoimmune disease for 15 years
Two people were the first to receive the therapy for a condition that damages the spinal cord and optic nerve
Will NASA’s SkyFall Mars helicopter fleet sink science at the Red Planet?
Mars researchers are wrestling with the potential costs of a flashy new NASA mission to the Red Planet
Got a tick bite? Here’s what to do and when to seek treatment
Knowing what kind of tick bit you and where you got it can help inform next steps
Ebola outbreak latest, World Cup heat risks and dad brains
What’s going on with the Ebola outbreak, how the World Cup is dealing with rising temperatures, and how becoming a father can change your brain
Can GLP-1s boost testosterone levels?
Preliminary study finds that testosterone levels increase or stabilize in people taking GLP-1 medications
How becoming a dad changes men’s brains
Fathers show changes in some of the same brain areas as mothers, but the effect of parenthood on dads isn’t nearly as well studied
Celebrate Father’s Day with seven whimsical and weird animal dads
From tiny hamsters to giant salamanders, here are some of the most unusual examples of fatherhood across the animal kingdom
Silicon Valley's longevity biohackers are engaged in a dangerous experiment
Influencers and ultra-rich people looking to extend their lifespan are trading tips and tricks on how to eke out extra years
Attachment style may influence how many kids people have
People with “fearful” or “preoccupied” insecure attachment styles had more children, whereas securely attached people had fewer, according to a recent study
A water treatment expert on what could actually fix the Reflecting Pool
The Trump administration wanted the surface of the Lincoln Memorial Reflecting Pool to be “American flag blue.” A water-treatment expert explains why the pool is still algal green and why the bloom could keep coming back
Which World Cup cooling methods really protect players from extreme heat?
From booed hydration breaks to cooling-gel vests, teams are trying everything to keep their players from overheating. Physiologists—and one World Cup team doctor—say feeling cooler is different than cooling the body
Scientists pop the cork on the hidden chemistry inside wine bottles
A new study captures how cork, wine and air interact over time
Scientists discover remnants of Jellyfish Nebula’s ‘sibling’ supernova
Astronomers may have found the remains of two long-dead stellar siblings
In world first, a man living with HIV received a lung transplant from an HIV-positive donor
This operation opens the door to treating more people living with HIV who have end-stage organ disease
Ancient human ancestors may have first used fire 1.79 million years ago
A new method that detects whether bones have been burned reveals Homo erectus brought fires into caves far earlier than previous evidence had suggested
