 
					Cassie Martin is a deputy managing editor at Science News. She has a bachelor's degree in molecular genetics from Michigan State University, and a master's degree in science journalism from Boston University.
 
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All Stories by Cassie Martin
- 			 Animals AnimalsA new ankylosaur found in Utah had a surprisingly bumpy headThe spiky, fossilized skull of a newly discovered dinosaur species may be a road map to its ancestors’ journey to North America. 
- 			 Health & Medicine Health & Medicine‘The Poisoned City’ chronicles Flint’s water crisisA new book examines how lead ended up in Flint’s water and resulted in a prolonged public health disaster. 
- 			 Astronomy AstronomyIn 1968, scientists thought they were close to detecting gravity wavesDespite an unverified discovery in 1968, spacetime ripples remained elusive for nearly 50 years. 
- 			 Genetics GeneticsPrivacy and consumer genetic testing don’t always mixInterested in taking a direct-to-consumer genetic test? Here are some things you should know. 
- 			 Health & Medicine Health & Medicine50 years ago, starving tumors of oxygen proposed as weapon in cancer fightStarving cancerous tumors of oxygen was proposed to help kill them. But the approach can make some cancer cells more aggressive. 
- 			 Genetics Genetics50 years ago, synthetic DNA made its debutSynthetic DNA has come a long way since it arrived on the scene half a century ago. 
- 			 Animals Animals2017 delivered amazing biology finds from organisms large and smallFrom giant African elephants to tiny tardigrades, scientists discovered some surprising biology this year. 
- 			 Planetary Science Planetary ScienceHere’s what you might have missed in space this yearMissions to Jupiter and Saturn made big headlines, and 2017 also saw exciting updates from missions of years past. 
- 			 Physics PhysicsThese 2017 discoveries could be big news, if they turn out to be trueSome findings reported in 2017 are potentially big news, if they hold up to additional scientific scrutiny. 
- 			 Tech Tech50 years ago, artificial limbs weren’t nearly as responsiveArtificial limbs have come a long way since 1967. 
- 			 Tech Tech50 years ago, NASA whipped up astronaut waste into rocket fuelIn 1967, scientists found a way to turn human waste into rocket fuel. 
- 			 Science & Society Science & SocietyTo combat cholera in Yemen, one scientist goes back to basicsAs the cholera epidemic rages on in war-torn Yemen, basic hygiene is the first line of defense.