Leslea McMullen

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Downing North Korean Missiles Is Hard. So the U.S. Is Experimenting.

WASHINGTON — Concerned that the missile defense system designed to protect American cities is insufficient by itself to deter a North Korean attack, the Trump administration is expanding its strategy to also try to stop Pyongyang’s missiles before they get far from Korean airspace.<p>The new approach, …

North Korea

Genetically Engineering the Natural World, it Turns Out, Could Be a Disaster

For the native species of New Zealand, European settlement was particularly cruel. The country has no endemic land predators, so many of its birds …

New Zealand

Puppy Love: Owning a Dog Linked to Better Heart Health

Good news for dog owners: Man's best friend may help lower a person's risk of heart disease, a new study from Sweden finds.<p>In the study, the …

New stem cell research offers promise — and raises questions

New advances in stem cell research have the potential to save lives – but not necessarily for the reasons people think. In the late 90s and early …

Stem Cells

North Korea: Gruesome Facts About Roundworm—The Parasite That Can Grow Two Feet and Live Inside You for Years

A North Korean defector was shot crossing the country’s border with South Korea and his doctors discovered many, many parasites inside him. But if he …

Here's What Fruits And Vegetables Looked Like Before We Domesticated Them

The original genetic modification.<p>Next time you bite into a slice of watermelon or a cob of corn, consider this: these familiar fruits and veggies …

Forestry