Hunter-Gatherer Metabolism
People living as hunter-gatherers burn roughly as many calories per day as those in industrialized countries.
Dad’s Diversity
Sequencing the DNA of individual sperm helps explain why siblings are often so different.
Flushing Out HIV
Researchers are developing a technique that could potentially flush out reservoirs of latent HIV.
Parroting Genes
Birds and people have similar genes for learning and producing vocalizations.
Podcast for 20 July 2012
HISTORY MEETS SCIENCE - Dairy detectives discover ancient milk, the historical practice of bloodletting gets a second look, and revisiting failed ideas for saving lives. Also: What migraine headaches and the Mutiny on the Bounty have in common.
Symptomless Colds
You can spread the common cold even if you feel no symptoms.
Parasites & Suicide Attempts
Researchers find a link between a common parasite and suicide attempts in humans.
The Oldest Rodent
Naked mole rats are the ugly ducklings of medical research. Now a new study suggests that they have an anti-aging potion in their bag of survival tricks.
Foxes & Lyme Disease
Lyme disease correlates with the waning fox population, not an increase in deer.
Rage Blocker
Blocking a brain receptor in mice eliminates pathological aggression.
IV Oxygen
When people stop breathing, they need oxygen fast. New technology could make it possible to get it to them - by bypassing the lungs.
Dogs vs. Asthma
Having a dog in the house may help protect babies from developing respiratory synctial virus (RSV) and asthma.
Podcast for 6 July 2012
OUR SOLAR SYSTEM - Scientists discover organic carbon in meteorites from Mars and take a new look at the asteroid Vesta. Also: zebrafish meet their robotic overlords, and someone finally invents a blind-spot-free side-view mirror.
Eye Roundup
New research into the science of the eye reveals reasons our pupils dilate, and why we look up when we try to remember things.
Dairy Detectives
Traces of milk fat in pottery confirm that prehistoric North Africans practiced dairy farming.
Touchy-Feely Robot
A touch-sensitive robotic finger outperforms humans on some tasks.
Grandfathers & Telomeres
Men that sire children later in life may pass on an advantage to their grandchildren.
Modern Bloodletting
Giving blood regularly may have cardiovascular benefits for people with metabolic syndrome.
Time-Restricted Eating
Mice that eat only during certain hours avoid obesity and related health problems – even on a high-fat diet.
Antiviral Pigs
The mucus in pig stomachs contains plentiful anti-viral proteins.
Inheriting Anxiety
The great-grandchildren of rats given a fungicide were more stressed-out and anxious than other rats.
Martian Carbon
Researchers have discovered organic carbon in meteorites from Mars.