Chain Letters and Evolutionary Histories
A study of chain letters shows how to infer the family tree of anything that evolves over time, from biological genomes to languages to plagiarized schoolwork
Features
The Sciences
Pandora's Baby
In vitro fertilization was once considered by some to be a threat to our very humanity. Cloning inspires similar fears
The Dawn of Physics beyond the Standard Model
The Standard Model of particle physics is at a pivotal moment in its history: it is both at the height of its success and on the verge of being surpassed
Shoot This Deer
Chronic wasting disease, a cousin of mad cow disease, is spreading among wild deer in parts of the U.S. Left unchecked, the fatal sickness could threaten North American deer populations--and maybe livestock and humans...
Tech
Self-Repairing Computers
By embracing the inevitability of system failures, recovery-oriented computing returns service faster
The Unearthly Landscapes of Mars
The Red Planet is no dead planet
Departments
- Advances
Law and Disorder
Boxed Out
Acting Locally
Caught Off Guard
Hybrids Take Off
Rising Sun
Sexy and Delicious
Why Neutrons Outweigh Protons
The Unusual Suspects
Corrupted Clones
- Recommended
A Polite Smile or the Real McCoy?
- Skeptic
Codified Claptrap
- Anti Gravity
Dropping By
- 50, 100 & 150 Years Ago
Chemical Claw ; Horse Ancestor ; Chinese Cheese
- Perspectives
A Pound of Flesh
- In Brief
Data Points: Not All Wet
Brief Points: June 2003
- Puzzling Adventures
Prime Squares
- Staking Claims
Sign Here
- Innovations
The Abyss Transit System
- By the Numbers
Trade Globalization
- Technicalities
Name That Tune
- Working Knowledge
To Hear Again
- Departments
Fuzzy Logic
- Insights
One Last Look
- Ask the Experts
Ask the Experts: June 2003
