Humans
We summarize the week's scientific breakthroughs every Thursday.
- Anthropology
Readers ponder hominid hookups and more
Neandertal evolution, quantum internet and more in reader feedback.
- Astronomy
Scientific success depends on finding light in darkness
Editor in chief Eva Emerson discusses using cleverness and persistence to uncover scientific truths.
- Anthropology
Buff upper arms let Lucy climb trees
Australopithecus afarensis’ heavily built arms supported tree climbing, scans of Lucy’s fossils suggest.
- Life
Mitochondria variants battle for cell supremacy
Some mitochondria are more competitive than others, which could complicate treatments for mitochondrial diseases.
- Health & Medicine
Low social status leads to off-kilter immune system
Low social status tips immune system toward inflammation seen in chronic diseases, a monkey study shows.
- Animals
Dogs form memories of experiences
New experiments suggest that dogs have some version of episodic memory, allowing them to recall specific experiences.
- Archaeology
Ancient cemetery provides peek into Philistines’ lives, health
Burial site offers new look at Israelites’ mysterious enemies.
- Archaeology
Glassmaking may have begun in Egypt, not Mesopotamia
Ancient Mesopotamians lagged behind Egyptians as glassmakers.
- Health & Medicine
Old blood carries risks for brain
Young blood may not save the brain, by one measure at least.
- Health & Medicine
A Pap smear can scoop up fetal cells for genome testing
Pap smear during pregnancy could offer an early way to test for fetal genetic disorders.
- Archaeology
For some early monks, impaired hearing amplified sounds of silence
Middle-ear ailments probably had little impact on early Christian monks’ lives.
- Humans
Oldest alphabet identified as Hebrew
Contested study indicates ancient Israelites developed first alphabet from Egyptian hieroglyphics.
