Roxanne Khamsi is a science writer based in Montreal, Quebec.
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5:13
Gun Violence Is A Public Health Issue
Research on gun violence was frozen for years. Now that funding is available, a look at what scientists are studying.
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11:17
As Mask Mandates Drop, COVID Cases Increase In Some Parts Of World
Mask and vaccine mandates are fading in the U.S. and elsewhere. But COVID cases are up in countries with previously low numbers.
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12:16
A Replacement Heart, From A Pig
Doctors report transplanting a heart from a genetically-modified pig into a human.
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12:06
Here’s How Biden’s Infrastructure Bill Addresses Science
The bipartisan measure would pump billions of dollars into the fight against environmental pollution.
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16:37
The Big Bang Theory Of Cancer
Genetic sequencing is helping scientists see how cancer begins.
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7:59
Blunting The Force Of Disease Is Complicated
The real-world efficacy of a vaccine may depend on factors far beyond the properties of the vaccine itself.
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4:08
The Chemistry Of The Perfect Cookie
Manipulating ingredients in a cookie can tip the balance between crispy and chewy.
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16:58
America Has A Food Disparity Problem
It’s not just that poorer neighborhoods have fewer grocery stores. Making healthy food takes emotional and energy resources.
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17:01
Happy (Holiday) Testing Season!
With so many test options on the market, what tests are best—and when should you use them this holiday season?
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12:06
Scientists Potty Train Cows To Lower Greenhouse Gasses
The ‘MooLoo’ is the latest idea to make cows more environmentally friendly.